31110112313120 has 48 divisors (see below), whose sum is σ = 73500520012920. Its totient is φ = 12443557361664.

The previous prime is 31110112313107. The next prime is 31110112313129. The reversal of 31110112313120 is 2131321101113.

It can be written as a sum of positive squares in 4 ways, for example, as 30565285273744 + 544827039376 = 5528588^2 + 738124^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 31110112313092 and 31110112313101.

It is not an unprimeable number, because it can be changed into a prime (31110112313129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301154 + ... + 7893726.

Almost surely, 2^{31110112313120} is an apocalyptic number.

It is an amenable number.

31110112313120 is an abundant number, since it is smaller than the sum of its proper divisors (42390407699800).

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

31110112313120 is a wasteful number, since it uses less digits than its factorization.

31110112313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618197 (or 7618189 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 31110112313120 its reverse (2131321101113), we get a palindrome (33241433414233).

The spelling of 31110112313120 in words is "thirty-one trillion, one hundred ten billion, one hundred twelve million, three hundred thirteen thousand, one hundred twenty".