31317534669057 has 64 divisors (see below), whose sum is σ = 52444050892800. Its totient is φ = 16518402315072.

The previous prime is 31317534669037. The next prime is 31317534669067. The reversal of 31317534669057 is 75096643571313.

It is not a de Polignac number, because 31317534669057 - 2¹⁶ = 31317534603521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31317534669037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 435880378 + ... + 435952220.

It is an arithmetic number, because the mean of its divisors is an integer number (819438295200).

Almost surely, 2^{31317534669057} is an apocalyptic number.

It is an amenable number.

31317534669057 is a deficient number, since it is larger than the sum of its proper divisors (21126516223743).

31317534669057 is a wasteful number, since it uses less digits than its factorization.

31317534669057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104467 (or 104453 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 60.

The spelling of 31317534669057 in words is "thirty-one trillion, three hundred seventeen billion, five hundred thirty-four million, six hundred sixty-nine thousand, fifty-seven".