113011231 has 8 divisors (see below), whose sum is σ = 117086400. Its totient is φ = 108948000.

The previous prime is 113011219. The next prime is 113011237. The reversal of 113011231 is 132110311.

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

It is a cyclic number.

It is not a de Polignac number, because 113011231 - 2⁷ = 113011103 is a prime.

It is a super-2 number, since 2×113011231² = 25543076664270722, 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 (113011237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19185 + ... + 24373.

It is an arithmetic number, because the mean of its divisors is an integer number (14635800).

Almost surely, 2^113011231 is an apocalyptic number.

113011231 is a deficient number, since it is larger than the sum of its proper divisors (4075169).

113011231 is an equidigital number, since it uses as much as digits as its factorization.

113011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 113011231 is about 10630.6740614130. The cubic root of 113011231 is about 483.4748290712.

Adding to 113011231 its reverse (132110311), we get a palindrome (245121542).

The spelling of 113011231 in words is "one hundred thirteen million, eleven thousand, two hundred thirty-one".