31122202310013 has 32 divisors (see below), whose sum is σ = 42881243512320. Its totient is φ = 20067745199040.

The previous prime is 31122202309993. The next prime is 31122202310021. The reversal of 31122202310013 is 31001320222113.

It is not a de Polignac number, because 31122202310013 - 2⁵ = 31122202309981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122202310113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8220723 + ... + 11394063.

It is an arithmetic number, because the mean of its divisors is an integer number (1340038859760).

Almost surely, 2^{31122202310013} is an apocalyptic number.

It is an amenable number.

31122202310013 is a deficient number, since it is larger than the sum of its proper divisors (11759041202307).

31122202310013 is a wasteful number, since it uses less digits than its factorization.

31122202310013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174297.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31122202310013 its reverse (31001320222113), we get a palindrome (62123522532126).

The spelling of 31122202310013 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred two million, three hundred ten thousand, thirteen".