131313320313 has 16 divisors (see below), whose sum is σ = 200264251776. Its totient is φ = 74973271680.

The previous prime is 131313320287. The next prime is 131313320317. The reversal of 131313320313 is 313023313131.

It is not a de Polignac number, because 131313320313 - 2²⁰ = 131312271737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131313320317) 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, 2595658 + ... + 2645763.

It is an arithmetic number, because the mean of its divisors is an integer number (12516515736).

Almost surely, 2^131313320313 is an apocalyptic number.

It is an amenable number.

131313320313 is a deficient number, since it is larger than the sum of its proper divisors (68950931463).

131313320313 is a wasteful number, since it uses less digits than its factorization.

131313320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242624.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 131313320313 its reverse (313023313131), we get a palindrome (444336633444).

The spelling of 131313320313 in words is "one hundred thirty-one billion, three hundred thirteen million, three hundred twenty thousand, three hundred thirteen".