31013014120 has 64 divisors (see below), whose sum is σ = 78747811200. Its totient is φ = 10888577280.

The previous prime is 31013014117. The next prime is 31013014129. The reversal of 31013014120 is 2141031013.

It is a junction number, because it is equal to n+sod(n) for n = 31013014094 and 31013014103.

It is not an unprimeable number, because it can be changed into a prime (31013014129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202484 + ... + 1228003.

It is an arithmetic number, because the mean of its divisors is an integer number (1230434550).

Almost surely, 2^31013014120 is an apocalyptic number.

It is an amenable number.

31013014120 is an abundant number, since it is smaller than the sum of its proper divisors (47734797080).

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

31013014120 is a wasteful number, since it uses less digits than its factorization.

31013014120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430538 (or 2430534 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31013014120 its reverse (2141031013), we get a palindrome (33154045133).

The spelling of 31013014120 in words is "thirty-one billion, thirteen million, fourteen thousand, one hundred twenty".