31693995948 has 48 divisors (see below), whose sum is σ = 77799456000. Its totient is φ = 10027472448.

The previous prime is 31693995863. The next prime is 31693995961. The reversal of 31693995948 is 84959939613.

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, 751288 + ... + 792351.

It is an arithmetic number, because the mean of its divisors is an integer number (1620822000).

Almost surely, 2^31693995948 is an apocalyptic number.

It is an amenable number.

31693995948 is an abundant number, since it is smaller than the sum of its proper divisors (46105460052).

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

31693995948 is a wasteful number, since it uses less digits than its factorization.

31693995948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543734 (or 1543732 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 66.

The spelling of 31693995948 in words is "thirty-one billion, six hundred ninety-three million, nine hundred ninety-five thousand, nine hundred forty-eight".