320113113013 has 4 divisors (see below), whose sum is σ = 321252305868. Its totient is φ = 318973920160.

The previous prime is 320113113007. The next prime is 320113113029. The reversal of 320113113013 is 310311311023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310311311023 = 7 ⋅44330187289.

It can be written as a sum of positive squares in 2 ways, for example, as 184687641009 + 135425472004 = 429753^2 + 368002^2 .

It is a cyclic number.

It is not a de Polignac number, because 320113113013 - 2³⁷ = 182674159541 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 (320113113413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569596006 + ... + 569596567.

It is an arithmetic number, because the mean of its divisors is an integer number (80313076467).

Almost surely, 2^320113113013 is an apocalyptic number.

It is an amenable number.

320113113013 is a deficient number, since it is larger than the sum of its proper divisors (1139192855).

320113113013 is a wasteful number, since it uses less digits than its factorization.

320113113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139192854.

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

Adding to 320113113013 its reverse (310311311023), we get a palindrome (630424424036).

The spelling of 320113113013 in words is "three hundred twenty billion, one hundred thirteen million, one hundred thirteen thousand, thirteen".