113663231 has 4 divisors (see below), whose sum is σ = 123996264. Its totient is φ = 103330200.

The previous prime is 113663227. The next prime is 113663243. The reversal of 113663231 is 132366311.

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 113663231 - 2² = 113663227 is a prime.

It is a super-2 number, since 2×113663231² = 25838660162718722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113663231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113663201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5166500 + ... + 5166521.

It is an arithmetic number, because the mean of its divisors is an integer number (30999066).

Almost surely, 2^113663231 is an apocalyptic number.

113663231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113663231 is a deficient number, since it is larger than the sum of its proper divisors (10333033).

113663231 is a wasteful number, since it uses less digits than its factorization.

113663231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10333032.

The product of its digits is 1944, while the sum is 26.

The square root of 113663231 is about 10661.2959343600. The cubic root of 113663231 is about 484.4028232980.

The spelling of 113663231 in words is "one hundred thirteen million, six hundred sixty-three thousand, two hundred thirty-one".