31132659664 has 40 divisors (see below), whose sum is σ = 62317122560. Its totient is φ = 15051657600.

The previous prime is 31132659659. The next prime is 31132659689. The reversal of 31132659664 is 46695623113.

It is a congruent number.

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, 585082 + ... + 636070.

It is an arithmetic number, because the mean of its divisors is an integer number (1557928064).

Almost surely, 2^31132659664 is an apocalyptic number.

It is an amenable number.

31132659664 is an abundant number, since it is smaller than the sum of its proper divisors (31184462896).

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

31132659664 is a wasteful number, since it uses less digits than its factorization.

31132659664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52259 (or 52253 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The spelling of 31132659664 in words is "thirty-one billion, one hundred thirty-two million, six hundred fifty-nine thousand, six hundred sixty-four".