931139929931139 has 12 divisors (see below), whose sum is σ = 1353231309213576. Its totient is φ = 616951610014752.

The previous prime is 931139929931089. The next prime is 931139929931179.

931139929931139 is a `hidden beast` number, since 9 + 3 + 1 + 13 + 9 + 9 + 299 + 311 + 3 + 9 = 666.

931139929931139 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 931139929931139 - 2⁷ = 931139929931011 is a prime.

It is a super-2 number, since 2×931139929931139² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (931139929931179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317361937842 + ... + 317361940775.

It is an arithmetic number, because the mean of its divisors is an integer number (112769275767798).

Almost surely, 2^{931139929931139} is an apocalyptic number.

931139929931139 is a deficient number, since it is larger than the sum of its proper divisors (422091379282437).

931139929931139 is a wasteful number, since it uses less digits than its factorization.

931139929931139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634723878786 (or 634723878783 counting only the distinct ones).

The product of its digits is 86093442, while the sum is 72.

The spelling of 931139929931139 in words is "nine hundred thirty-one trillion, one hundred thirty-nine billion, nine hundred twenty-nine million, nine hundred thirty-one thousand, one hundred thirty-nine".