113107831 has 4 divisors (see below), whose sum is σ = 113335000. Its totient is φ = 112880664.

The previous prime is 113107781. The next prime is 113107861. The reversal of 113107831 is 138701311.

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 113107831 - 2¹⁵ = 113075063 is a prime.

It is a super-2 number, since 2×113107831² = 25586762867049122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113107796 and 113107805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113107861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112836 + ... + 113833.

It is an arithmetic number, because the mean of its divisors is an integer number (28333750).

Almost surely, 2^113107831 is an apocalyptic number.

113107831 is a deficient number, since it is larger than the sum of its proper divisors (227169).

113107831 is an equidigital number, since it uses as much as digits as its factorization.

113107831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227168.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 113107831 is about 10635.2165469256. The cubic root of 113107831 is about 483.6125450818.

The spelling of 113107831 in words is "one hundred thirteen million, one hundred seven thousand, eight hundred thirty-one".