313112020220013 has 96 divisors (see below), whose sum is σ = 522404603394048. Its totient is φ = 163302872140800.

The previous prime is 313112020219967. The next prime is 313112020220017. The reversal of 313112020220013 is 310022020211313.

It is not a de Polignac number, because 313112020220013 - 2²⁰ = 313112019171437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313112020220017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20328706 + ... + 32240972.

It is an arithmetic number, because the mean of its divisors is an integer number (5441714618688).

Almost surely, 2^{313112020220013} is an apocalyptic number.

It is an amenable number.

313112020220013 is a deficient number, since it is larger than the sum of its proper divisors (209292583174035).

313112020220013 is a wasteful number, since it uses less digits than its factorization.

313112020220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11912443 (or 11912426 counting only the distinct ones).

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

Adding to 313112020220013 its reverse (310022020211313), we get a palindrome (623134040431326).

The spelling of 313112020220013 in words is "three hundred thirteen trillion, one hundred twelve billion, twenty million, two hundred twenty thousand, thirteen".