113012231 has 2 divisors, whose sum is σ = 113012232. Its totient is φ = 113012230.

The previous prime is 113012201. The next prime is 113012257. The reversal of 113012231 is 132210311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113012231 - 2¹⁰ = 113011207 is a prime.

It is a super-2 number, since 2×113012231² = 25543528711194722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113012201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56506115 + 56506116.

It is an arithmetic number, because the mean of its divisors is an integer number (56506116).

Almost surely, 2^113012231 is an apocalyptic number.

113012231 is a deficient number, since it is larger than the sum of its proper divisors (1).

113012231 is an equidigital number, since it uses as much as digits as its factorization.

113012231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 113012231 is about 10630.7210950151. The cubic root of 113012231 is about 483.4762551047.

Adding to 113012231 its reverse (132210311), we get a palindrome (245222542).

The spelling of 113012231 in words is "one hundred thirteen million, twelve thousand, two hundred thirty-one".