113331732231 has 32 divisors (see below), whose sum is σ = 158643717120. Its totient is φ = 71901273600.

The previous prime is 113331732131. The next prime is 113331732287. The reversal of 113331732231 is 132237133311.

It is not a de Polignac number, because 113331732231 - 2⁹ = 113331731719 is a prime.

It is a super-2 number, since 2×113331732231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113331732131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736251 + ... + 876771.

It is an arithmetic number, because the mean of its divisors is an integer number (4957616160).

Almost surely, 2^113331732231 is an apocalyptic number.

113331732231 is a deficient number, since it is larger than the sum of its proper divisors (45311984889).

113331732231 is a wasteful number, since it uses less digits than its factorization.

113331732231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140727.

The product of its digits is 6804, while the sum is 30.

Adding to 113331732231 its reverse (132237133311), we get a palindrome (245568865542).

The spelling of 113331732231 in words is "one hundred thirteen billion, three hundred thirty-one million, seven hundred thirty-two thousand, two hundred thirty-one".