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3231130023 = 3211113367787
BaseRepresentation
bin1100000010010111…
…0010000110100111
322100011221102010100
43000211302012213
523104132130043
61252342155143
7143033103102
oct30045620647
98304842110
103231130023
1114089858a0
12762122ab3
133c654ac74
142291ad739
1513d9ebcd3
hexc09721a7

3231130023 has 48 divisors (see below), whose sum is σ = 5157075456. Its totient is φ = 1933182720.

The previous prime is 3231130013. The next prime is 3231130061. The reversal of 3231130023 is 3200311323.

3231130023 is a `hidden beast` number, since 32 + 311 + 300 + 23 = 666.

It is not a de Polignac number, because 3231130023 - 218 = 3230867879 is a prime.

It is a super-3 number, since 3×32311300233 (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3231129978 and 3231130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231130003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4105236 + ... + 4106022.

It is an arithmetic number, because the mean of its divisors is an integer number (107439072).

Almost surely, 23231130023 is an apocalyptic number.

3231130023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3231130023 is a deficient number, since it is larger than the sum of its proper divisors (1925945433).

3231130023 is a wasteful number, since it uses less digits than its factorization.

3231130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3231130023 is about 56843.0296782288. The cubic root of 3231130023 is about 1478.3756867571.

Adding to 3231130023 its reverse (3200311323), we get a palindrome (6431441346).

It can be divided in two parts, 32311300 and 23, that added together give a palindrome (32311323).

The spelling of 3231130023 in words is "three billion, two hundred thirty-one million, one hundred thirty thousand, twenty-three".

Divisors: 1 3 9 11 33 99 113 339 367 787 1017 1101 1243 2361 3303 3729 4037 7083 8657 11187 12111 25971 36333 41471 77913 88931 124413 266793 288829 373239 456181 800379 866487 978241 1368543 2599461 2934723 3177119 4105629 8804169 9531357 28594071 32637677 97913031 293739093 359014447 1077043341 3231130023