113001231 has 32 divisors (see below), whose sum is σ = 185499648. Its totient is φ = 59764320.

The previous prime is 113001223. The next prime is 113001233. The reversal of 113001231 is 132100311.

It is not a de Polignac number, because 113001231 - 2³ = 113001223 is a prime.

It is a super-2 number, since 2×113001231² = 25538556415030722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113001233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11200 + ... + 18746.

It is an arithmetic number, because the mean of its divisors is an integer number (5796864).

Almost surely, 2^113001231 is an apocalyptic number.

113001231 is a deficient number, since it is larger than the sum of its proper divisors (72498417).

113001231 is a wasteful number, since it uses less digits than its factorization.

113001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 113001231 is about 10630.2037139464. The cubic root of 113001231 is about 483.4605682735.

Adding to 113001231 its reverse (132100311), we get a palindrome (245101542).

The spelling of 113001231 in words is "one hundred thirteen million, one thousand, two hundred thirty-one".