231324113113 has 4 divisors (see below), whose sum is σ = 231330858660. Its totient is φ = 231317367568.

The previous prime is 231324113089. The next prime is 231324113131. The reversal of 231324113113 is 311311423132.

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 126019320064 + 105304793049 = 354992^2 + 324507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231324113113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231324113513) 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, 3321070 + ... + 3390007.

It is an arithmetic number, because the mean of its divisors is an integer number (57832714665).

Almost surely, 2^231324113113 is an apocalyptic number.

It is an amenable number.

231324113113 is a deficient number, since it is larger than the sum of its proper divisors (6745547).

231324113113 is an equidigital number, since it uses as much as digits as its factorization.

231324113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745546.

The product of its digits is 1296, while the sum is 25.

Adding to 231324113113 its reverse (311311423132), we get a palindrome (542635536245).

The spelling of 231324113113 in words is "two hundred thirty-one billion, three hundred twenty-four million, one hundred thirteen thousand, one hundred thirteen".