31427154032 has 20 divisors (see below), whose sum is σ = 62375236896. Its totient is φ = 15330318720.

The previous prime is 31427154029. The next prime is 31427154071. The reversal of 31427154032 is 23045172413.

It is a self number, because there is not a number n which added to its sum of digits gives 31427154032.

It is a congruent number.

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, 23952968 + ... + 23954279.

Almost surely, 2^31427154032 is an apocalyptic number.

It is an amenable number.

31427154032 is a deficient number, since it is larger than the sum of its proper divisors (30948082864).

31427154032 is a wasteful number, since it uses less digits than its factorization.

31427154032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47907296 (or 47907290 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 31427154032 in words is "thirty-one billion, four hundred twenty-seven million, one hundred fifty-four thousand, thirty-two".