31879371473112 has 128 divisors (see below), whose sum is σ = 80962274165760. Its totient is φ = 10459238760960.

The previous prime is 31879371473071. The next prime is 31879371473129. The reversal of 31879371473112 is 21137417397813.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1675119037 + ... + 1675138067.

It is an arithmetic number, because the mean of its divisors is an integer number (632517766920).

Almost surely, 2^{31879371473112} is an apocalyptic number.

It is an amenable number.

31879371473112 is an abundant number, since it is smaller than the sum of its proper divisors (49082902692648).

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

31879371473112 is a wasteful number, since it uses less digits than its factorization.

31879371473112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23233 (or 23229 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 57.

The spelling of 31879371473112 in words is "thirty-one trillion, eight hundred seventy-nine billion, three hundred seventy-one million, four hundred seventy-three thousand, one hundred twelve".