31447050684 has 24 divisors (see below), whose sum is σ = 83858802048. Its totient is φ = 8984871600.

The previous prime is 31447050647. The next prime is 31447050757. The reversal of 31447050684 is 48605074413.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 187184742 + ... + 187184909.

It is an arithmetic number, because the mean of its divisors is an integer number (3494116752).

Almost surely, 2^31447050684 is an apocalyptic number.

It is an amenable number.

31447050684 is an abundant number, since it is smaller than the sum of its proper divisors (52411751364).

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

31447050684 is a wasteful number, since it uses less digits than its factorization.

31447050684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374369665 (or 374369663 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 31447050684 in words is "thirty-one billion, four hundred forty-seven million, fifty thousand, six hundred eighty-four".