31317370968 has 64 divisors (see below), whose sum is σ = 84349571040. Its totient is φ = 9632277504.

The previous prime is 31317370967. The next prime is 31317370999. The reversal of 31317370968 is 86907371313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31317370961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821580 + ... + 858852.

Almost surely, 2^31317370968 is an apocalyptic number.

It is an amenable number.

31317370968 is an abundant number, since it is smaller than the sum of its proper divisors (53032200072).

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

31317370968 is a wasteful number, since it uses less digits than its factorization.

31317370968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39988 (or 39984 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 31317370968 in words is "thirty-one billion, three hundred seventeen million, three hundred seventy thousand, nine hundred sixty-eight".