31013233222013 has 16 divisors (see below), whose sum is σ = 37636770040704. Its totient is φ = 24946977776640.

The previous prime is 31013233221947. The next prime is 31013233222031. The reversal of 31013233222013 is 31022233231013.

It is a cyclic number.

It is not a de Polignac number, because 31013233222013 - 2²⁴ = 31013216444797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013233222813) 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, 375485228 + ... + 375567813.

It is an arithmetic number, because the mean of its divisors is an integer number (2352298127544).

Almost surely, 2^{31013233222013} is an apocalyptic number.

It is an amenable number.

31013233222013 is a deficient number, since it is larger than the sum of its proper divisors (6623536818691).

31013233222013 is a wasteful number, since it uses less digits than its factorization.

31013233222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751053412.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31013233222013 its reverse (31022233231013), we get a palindrome (62035466453026).

The spelling of 31013233222013 in words is "thirty-one trillion, thirteen billion, two hundred thirty-three million, two hundred twenty-two thousand, thirteen".