31601114832 has 160 divisors (see below), whose sum is σ = 94769434368. Its totient is φ = 8887062528.

The previous prime is 31601114813. The next prime is 31601114861. The reversal of 31601114832 is 23841110613.

It is a self number, because there is not a number n which added to its sum of digits gives 31601114832.

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, 16015798 + ... + 16017770.

Almost surely, 2^31601114832 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 31601114832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47384717184).

31601114832 is an abundant number, since it is smaller than the sum of its proper divisors (63168319536).

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

31601114832 is a wasteful number, since it uses less digits than its factorization.

31601114832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 31601114832 in words is "thirty-one billion, six hundred one million, one hundred fourteen thousand, eight hundred thirty-two".