130231312313 has 4 divisors (see below), whose sum is σ = 130233674868. Its totient is φ = 130228949760.

The previous prime is 130231312307. The next prime is 130231312331. The reversal of 130231312313 is 313213132031.

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 74899100329 + 55332211984 = 273677^2 + 235228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130231312313 is a prime.

It is a super-2 number, since 2×130231312313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130231312613) 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, 1096568 + ... + 1209513.

It is an arithmetic number, because the mean of its divisors is an integer number (32558418717).

Almost surely, 2^130231312313 is an apocalyptic number.

It is an amenable number.

130231312313 is a deficient number, since it is larger than the sum of its proper divisors (2362555).

130231312313 is an equidigital number, since it uses as much as digits as its factorization.

130231312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362554.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 130231312313 its reverse (313213132031), we get a palindrome (443444444344).

The spelling of 130231312313 in words is "one hundred thirty billion, two hundred thirty-one million, three hundred twelve thousand, three hundred thirteen".