113992831 has 4 divisors (see below), whose sum is σ = 114021432. Its totient is φ = 113964232.

The previous prime is 113992829. The next prime is 113992841. The reversal of 113992831 is 138299311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138299311 = 2281 ⋅60631.

It is a cyclic number.

It is not a de Polignac number, because 113992831 - 2¹ = 113992829 is a prime.

It is a super-2 number, since 2×113992831² = 25988731038789122, which 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 (113992841) 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 3 ways as a sum of consecutive naturals, for example, 7120 + ... + 16693.

It is an arithmetic number, because the mean of its divisors is an integer number (28505358).

Almost surely, 2^113992831 is an apocalyptic number.

113992831 is a deficient number, since it is larger than the sum of its proper divisors (28601).

113992831 is an equidigital number, since it uses as much as digits as its factorization.

113992831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28600.

The product of its digits is 11664, while the sum is 37.

The square root of 113992831 is about 10676.7425275690. The cubic root of 113992831 is about 484.8705943061.

The spelling of 113992831 in words is "one hundred thirteen million, nine hundred ninety-two thousand, eight hundred thirty-one".