31313003110120 has 64 divisors (see below), whose sum is σ = 72925142169600. Its totient is φ = 12088134627840.

The previous prime is 31313003110033. The next prime is 31313003110253. The reversal of 31313003110120 is 2101130031313.

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, 33948765 + ... + 34858924.

It is an arithmetic number, because the mean of its divisors is an integer number (1139455346400).

Almost surely, 2^{31313003110120} is an apocalyptic number.

It is an amenable number.

31313003110120 is an abundant number, since it is smaller than the sum of its proper divisors (41612139059480).

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

31313003110120 is a wasteful number, since it uses less digits than its factorization.

31313003110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68808098 (or 68808094 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31313003110120 its reverse (2101130031313), we get a palindrome (33414133141433).

The spelling of 31313003110120 in words is "thirty-one trillion, three hundred thirteen billion, three million, one hundred ten thousand, one hundred twenty".