113431086 has 24 divisors (see below), whose sum is σ = 249798744. Its totient is φ = 37190160.

The previous prime is 113431081. The next prime is 113431117. The reversal of 113431086 is 680134311.

It is a super-2 number, since 2×113431086² = 25733222542278792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113431081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50556 + ... + 52751.

It is an arithmetic number, because the mean of its divisors is an integer number (10408281).

Almost surely, 2^113431086 is an apocalyptic number.

113431086 is an abundant number, since it is smaller than the sum of its proper divisors (136367658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113431086 is a wasteful number, since it uses less digits than its factorization.

113431086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103376 (or 103373 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 113431086 is about 10650.4030909633. The cubic root of 113431086 is about 484.0728181995.

Adding to 113431086 its reverse (680134311), we get a palindrome (793565397).

The spelling of 113431086 in words is "one hundred thirteen million, four hundred thirty-one thousand, eighty-six".