113610431 has 8 divisors (see below), whose sum is σ = 124032000. Its totient is φ = 103204440.

The previous prime is 113610407. The next prime is 113610433. The reversal of 113610431 is 134016311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113610431 is a prime.

It is a super-2 number, since 2×113610431² = 25814660064011522, 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 (113610433) 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 7 ways as a sum of consecutive naturals, for example, 15650 + ... + 21728.

It is an arithmetic number, because the mean of its divisors is an integer number (15504000).

Almost surely, 2^113610431 is an apocalyptic number.

113610431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113610431 is a deficient number, since it is larger than the sum of its proper divisors (10421569).

113610431 is a wasteful number, since it uses less digits than its factorization.

113610431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 113610431 is about 10658.8193999148. The cubic root of 113610431 is about 484.3278051055.

Adding to 113610431 its reverse (134016311), we get a palindrome (247626742).

The spelling of 113610431 in words is "one hundred thirteen million, six hundred ten thousand, four hundred thirty-one".