31371124160 has 112 divisors (see below), whose sum is σ = 78345792000. Its totient is φ = 11941991424.

The previous prime is 31371124151. The next prime is 31371124189. The reversal of 31371124160 is 6142117313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453931 + ... + 1475349.

It is an arithmetic number, because the mean of its divisors is an integer number (699516000).

Almost surely, 2^31371124160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31371124160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39172896000).

31371124160 is an abundant number, since it is smaller than the sum of its proper divisors (46974667840).

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

31371124160 is a wasteful number, since it uses less digits than its factorization.

31371124160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21658 (or 21648 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 31371124160 in words is "thirty-one billion, three hundred seventy-one million, one hundred twenty-four thousand, one hundred sixty".