31120010120232 has 128 divisors (see below), whose sum is σ = 95901418368000. Its totient is φ = 9270470358720.

The previous prime is 31120010120219. The next prime is 31120010120249. The reversal of 31120010120232 is 23202101002113.

31120010120232 is a `hidden beast` number, since 311 + 2 + 0 + 0 + 1 + 0 + 120 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 110856828 + ... + 111137195.

It is an arithmetic number, because the mean of its divisors is an integer number (749229831000).

Almost surely, 2^{31120010120232} is an apocalyptic number.

It is an amenable number.

31120010120232 is an abundant number, since it is smaller than the sum of its proper divisors (64781408247768).

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

31120010120232 is a wasteful number, since it uses less digits than its factorization.

31120010120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221994108 (or 221994098 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31120010120232 its reverse (23202101002113), we get a palindrome (54322111122345).

The spelling of 31120010120232 in words is "thirty-one trillion, one hundred twenty billion, ten million, one hundred twenty thousand, two hundred thirty-two".