31898942956 has 6 divisors (see below), whose sum is σ = 55823150180. Its totient is φ = 15949471476.

The previous prime is 31898942947. The next prime is 31898942963. The reversal of 31898942956 is 65924989813.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3987367866 + ... + 3987367873.

Almost surely, 2^31898942956 is an apocalyptic number.

It is an amenable number.

31898942956 is a deficient number, since it is larger than the sum of its proper divisors (23924207224).

31898942956 is a wasteful number, since it uses less digits than its factorization.

31898942956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7974735743 (or 7974735741 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 64.

The spelling of 31898942956 in words is "thirty-one billion, eight hundred ninety-eight million, nine hundred forty-two thousand, nine hundred fifty-six".