31612368008 has 24 divisors (see below), whose sum is σ = 64183397850. Its totient is φ = 14590323072.

The previous prime is 31612367993. The next prime is 31612368041. The reversal of 31612368008 is 80086321613.

It can be written as a sum of positive squares in 3 ways, for example, as 10448519524 + 21163848484 = 102218^2 + 145478^2 .

It is a super-2 number, since 2×31612368008² (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 5 ways as a sum of consecutive naturals, for example, 11689613 + ... + 11692316.

Almost surely, 2^31612368008 is an apocalyptic number.

It is an amenable number.

31612368008 is an abundant number, since it is smaller than the sum of its proper divisors (32571029842).

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

31612368008 is a wasteful number, since it uses less digits than its factorization.

31612368008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23381961 (or 23381944 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 31612368008 in words is "thirty-one billion, six hundred twelve million, three hundred sixty-eight thousand, eight".