113343231131231 has 4 divisors (see below), whose sum is σ = 113343260758200. Its totient is φ = 113343201504264.

The previous prime is 113343231131219. The next prime is 113343231131233. The reversal of 113343231131231 is 132131132343311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113343231131231 - 2⁶ = 113343231131167 is a prime.

It is a super-2 number, since 2×113343231131231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113343231131233) 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, 8043701 + ... + 17070078.

It is an arithmetic number, because the mean of its divisors is an integer number (28335815189550).

Almost surely, 2^{113343231131231} is an apocalyptic number.

113343231131231 is a deficient number, since it is larger than the sum of its proper divisors (29626969).

113343231131231 is an equidigital number, since it uses as much as digits as its factorization.

113343231131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29626968.

The product of its digits is 11664, while the sum is 32.

Adding to 113343231131231 its reverse (132131132343311), we get a palindrome (245474363474542).

The spelling of 113343231131231 in words is "one hundred thirteen trillion, three hundred forty-three billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty-one".