231323113 has 8 divisors (see below), whose sum is σ = 265712832. Its totient is φ = 197269296.

The previous prime is 231323093. The next prime is 231323123. The reversal of 231323113 is 311323132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-231323113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231323123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82495 + ... + 85252.

It is an arithmetic number, because the mean of its divisors is an integer number (33214104).

Almost surely, 2^231323113 is an apocalyptic number.

It is an amenable number.

231323113 is a deficient number, since it is larger than the sum of its proper divisors (34389719).

231323113 is a wasteful number, since it uses less digits than its factorization.

231323113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167951.

The product of its digits is 324, while the sum is 19.

The square root of 231323113 is about 15209.3100763973. The cubic root of 231323113 is about 613.8651935548.

Adding to 231323113 its sum of digits (19), we get a palindrome (231323132).

Adding to 231323113 its reverse (311323132), we get a palindrome (542646245).

The spelling of 231323113 in words is "two hundred thirty-one million, three hundred twenty-three thousand, one hundred thirteen".