113232311231 has 16 divisors (see below), whose sum is σ = 125988710400. Its totient is φ = 101059976160.

The previous prime is 113232311221. The next prime is 113232311261. The reversal of 113232311231 is 132113232311.

It is not a de Polignac number, because 113232311231 - 2²² = 113228116927 is a prime.

It is a super-2 number, since 2×113232311231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113232311197 and 113232311206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113232311221) 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, 327470 + ... + 577668.

It is an arithmetic number, because the mean of its divisors is an integer number (7874294400).

Almost surely, 2^113232311231 is an apocalyptic number.

113232311231 is a deficient number, since it is larger than the sum of its proper divisors (12756399169).

113232311231 is a wasteful number, since it uses less digits than its factorization.

113232311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251366.

The product of its digits is 648, while the sum is 23.

Adding to 113232311231 its reverse (132113232311), we get a palindrome (245345543542).

The spelling of 113232311231 in words is "one hundred thirteen billion, two hundred thirty-two million, three hundred eleven thousand, two hundred thirty-one".