31313022031313 has 16 divisors (see below), whose sum is σ = 34543917175680. Its totient is φ = 28146177840000.

The previous prime is 31313022031303. The next prime is 31313022031331.

31313022031313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31313022031313 - 2⁴ = 31313022031297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31313022031303) 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, 103620188 + ... + 103921938.

It is an arithmetic number, because the mean of its divisors is an integer number (2158994823480).

Almost surely, 2^{31313022031313} is an apocalyptic number.

It is an amenable number.

31313022031313 is a deficient number, since it is larger than the sum of its proper divisors (3230895144367).

31313022031313 is a wasteful number, since it uses less digits than its factorization.

31313022031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407848.

The product of its (nonzero) digits is 2916, while the sum is 26.

It can be divided in two parts, 3131302 and 2031313, that added together give a palindrome (5162615).

The spelling of 31313022031313 in words is "thirty-one trillion, three hundred thirteen billion, twenty-two million, thirty-one thousand, three hundred thirteen".