31994116284 has 24 divisors (see below), whose sum is σ = 80395472080. Its totient is φ = 9844343424.

The previous prime is 31994116261. The next prime is 31994116333. The reversal of 31994116284 is 48261149913.

It is a happy number.

It is a super-2 number, since 2×31994116284² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102545089 + ... + 102545400.

Almost surely, 2^31994116284 is an apocalyptic number.

It is an amenable number.

31994116284 is an abundant number, since it is smaller than the sum of its proper divisors (48401355796).

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

31994116284 is a wasteful number, since it uses less digits than its factorization.

31994116284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205090509 (or 205090507 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The spelling of 31994116284 in words is "thirty-one billion, nine hundred ninety-four million, one hundred sixteen thousand, two hundred eighty-four".