13023131101313 has 4 divisors (see below), whose sum is σ = 13040066253060. Its totient is φ = 13006195949568.

The previous prime is 13023131101297. The next prime is 13023131101327. The reversal of 13023131101313 is 31310113132031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8958096888064 + 4065034213249 = 2993008^2 + 2016193^2 .

It is a cyclic number.

It is not a de Polignac number, because 13023131101313 - 2⁴ = 13023131101297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023131107313) 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, 8467574720 + ... + 8467576257.

It is an arithmetic number, because the mean of its divisors is an integer number (3260016563265).

Almost surely, 2^{13023131101313} is an apocalyptic number.

It is an amenable number.

13023131101313 is a deficient number, since it is larger than the sum of its proper divisors (16935151747).

13023131101313 is an equidigital number, since it uses as much as digits as its factorization.

13023131101313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16935151746.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 13023131101313 its reverse (31310113132031), we get a palindrome (44333244233344).

The spelling of 13023131101313 in words is "thirteen trillion, twenty-three billion, one hundred thirty-one million, one hundred one thousand, three hundred thirteen".