31357968700 has 18 divisors (see below), whose sum is σ = 68046792296. Its totient is φ = 12543187440.

The previous prime is 31357968671. The next prime is 31357968709. The reversal of 31357968700 is 786975313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31357968709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156789744 + ... + 156789943.

Almost surely, 2^31357968700 is an apocalyptic number.

It is an amenable number.

31357968700 is an abundant number, since it is smaller than the sum of its proper divisors (36688823596).

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

31357968700 is a wasteful number, since it uses less digits than its factorization.

31357968700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313579701 (or 313579694 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 31357968700 in words is "thirty-one billion, three hundred fifty-seven million, nine hundred sixty-eight thousand, seven hundred".