113506958231 has 4 divisors (see below), whose sum is σ = 114006989112. Its totient is φ = 113006927352.

The previous prime is 113506958203. The next prime is 113506958239. The reversal of 113506958231 is 132859605311.

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 113506958231 - 2⁶ = 113506958167 is a prime.

It is a super-2 number, since 2×113506958231² (a number of 23 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 (113506958239) 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, 250015100 + ... + 250015553.

It is an arithmetic number, because the mean of its divisors is an integer number (28501747278).

Almost surely, 2^113506958231 is an apocalyptic number.

113506958231 is a deficient number, since it is larger than the sum of its proper divisors (500030881).

113506958231 is an equidigital number, since it uses as much as digits as its factorization.

113506958231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500030880.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 113506958231 in words is "one hundred thirteen billion, five hundred six million, nine hundred fifty-eight thousand, two hundred thirty-one".