31432057772 has 12 divisors (see below), whose sum is σ = 55009669176. Its totient is φ = 15715009440.

The previous prime is 31432057697. The next prime is 31432057871. The reversal of 31432057772 is 27775023413.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183254 + ... + 310557.

It is an arithmetic number, because the mean of its divisors is an integer number (4584139098).

Almost surely, 2^31432057772 is an apocalyptic number.

It is an amenable number.

31432057772 is a deficient number, since it is larger than the sum of its proper divisors (23577611404).

31432057772 is a wasteful number, since it uses less digits than its factorization.

31432057772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509728 (or 509726 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 41.

The spelling of 31432057772 in words is "thirty-one billion, four hundred thirty-two million, fifty-seven thousand, seven hundred seventy-two".