31973413046568 has 64 divisors (see below), whose sum is σ = 91354357234560. Its totient is φ = 9135086017536.

The previous prime is 31973413046503. The next prime is 31973413046581. The reversal of 31973413046568 is 86564031437913.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7111980 + ... + 10701732.

It is an arithmetic number, because the mean of its divisors is an integer number (1427411831790).

Almost surely, 2^{31973413046568} is an apocalyptic number.

It is an amenable number.

31973413046568 is an abundant number, since it is smaller than the sum of its proper divisors (59380944187992).

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

31973413046568 is a wasteful number, since it uses less digits than its factorization.

31973413046568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642786 (or 3642782 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 31973413046568 in words is "thirty-one trillion, nine hundred seventy-three billion, four hundred thirteen million, forty-six thousand, five hundred sixty-eight".