131320230012313 has 16 divisors (see below), whose sum is σ = 139141283697360. Its totient is φ = 123509891137536.

The previous prime is 131320230012311. The next prime is 131320230012409. The reversal of 131320230012313 is 313210032023131.

It can be written as a sum of positive squares in 8 ways, for example, as 26238705151129 + 105081524861184 = 5122373^2 + 10250928^2 .

It is a cyclic number.

It is not a de Polignac number, because 131320230012313 - 2¹ = 131320230012311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131320230012311) 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, 400749145 + ... + 401076697.

It is an arithmetic number, because the mean of its divisors is an integer number (8696330231085).

Almost surely, 2^{131320230012313} is an apocalyptic number.

It is an amenable number.

131320230012313 is a deficient number, since it is larger than the sum of its proper divisors (7821053685047).

131320230012313 is a wasteful number, since it uses less digits than its factorization.

131320230012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343836.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131320230012313 its reverse (313210032023131), we get a palindrome (444530262035444).

The spelling of 131320230012313 in words is "one hundred thirty-one trillion, three hundred twenty billion, two hundred thirty million, twelve thousand, three hundred thirteen".