31004520612 has 24 divisors (see below), whose sum is σ = 77908795776. Its totient is φ = 9539852448.

The previous prime is 31004520607. The next prime is 31004520623. The reversal of 31004520612 is 21602540013.

It is a super-2 number, since 2×31004520612² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99373308 + ... + 99373619.

It is an arithmetic number, because the mean of its divisors is an integer number (3246199824).

Almost surely, 2^31004520612 is an apocalyptic number.

It is an amenable number.

31004520612 is an abundant number, since it is smaller than the sum of its proper divisors (46904275164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31004520612 is a wasteful number, since it uses less digits than its factorization.

31004520612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198746947 (or 198746945 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 31004520612 in words is "thirty-one billion, four million, five hundred twenty thousand, six hundred twelve".