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3130241431 = 19164749549
BaseRepresentation
bin1011101010010011…
…1011000110010111
322002011002201222211
42322210323012113
522402320211211
61234335534251
7140366420212
oct27244730627
98064081884
103130241431
111366a37799
1273438a387
133ab685b85
14219a2a779
15134c1de21
hexba93b197

3130241431 has 4 divisors (see below), whose sum is σ = 3294991000. Its totient is φ = 2965491864.

The previous prime is 3130241423. The next prime is 3130241437. The reversal of 3130241431 is 1341420313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3130241431 - 23 = 3130241423 is a prime.

It is a super-2 number, since 2×31302414312 = 19596822832697855522, 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 (3130241437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82374756 + ... + 82374793.

It is an arithmetic number, because the mean of its divisors is an integer number (823747750).

Almost surely, 23130241431 is an apocalyptic number.

3130241431 is a deficient number, since it is larger than the sum of its proper divisors (164749569).

3130241431 is a wasteful number, since it uses less digits than its factorization.

3130241431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164749568.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3130241431 is about 55948.5605802330. The cubic root of 3130241431 is about 1462.8258011929.

Adding to 3130241431 its reverse (1341420313), we get a palindrome (4471661744).

The spelling of 3130241431 in words is "three billion, one hundred thirty million, two hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 19 164749549 3130241431