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130322231 = 1341244507
BaseRepresentation
bin1111100010010…
…00111100110111
3100002020001111022
413301020330313
5231330302411
620533131355
73141502124
oct761107467
9302201438
10130322231
1167622026
1237789b5b
1320ccc360
141344574b
15b693edb
hex7c48f37

130322231 has 8 divisors (see below), whose sum is σ = 143770704. Its totient is φ = 117362880.

The previous prime is 130322191. The next prime is 130322237. The reversal of 130322231 is 132223031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130322231 - 210 = 130321207 is a prime.

It is a super-2 number, since 2×1303222312 = 33967767785634722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130322237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121721 + ... + 122786.

It is an arithmetic number, because the mean of its divisors is an integer number (17971338).

Almost surely, 2130322231 is an apocalyptic number.

130322231 is a deficient number, since it is larger than the sum of its proper divisors (13448473).

130322231 is a wasteful number, since it uses less digits than its factorization.

130322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244561.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130322231 is about 11415.8762694766. The cubic root of 130322231 is about 506.9979095988.

Adding to 130322231 its reverse (132223031), we get a palindrome (262545262).

The spelling of 130322231 in words is "one hundred thirty million, three hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 13 41 533 244507 3178591 10024787 130322231