113263231 has 4 divisors (see below), whose sum is σ = 119925792. Its totient is φ = 106600672.

The previous prime is 113263217. The next prime is 113263259. The reversal of 113263231 is 132362311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132362311 = 59 ⋅2243429.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113263231 is a prime.

It is a super-2 number, since 2×113263231² = 25657118993118722, 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 (113263291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3331255 + ... + 3331288.

It is an arithmetic number, because the mean of its divisors is an integer number (29981448).

Almost surely, 2^113263231 is an apocalyptic number.

113263231 is a deficient number, since it is larger than the sum of its proper divisors (6662561).

113263231 is an equidigital number, since it uses as much as digits as its factorization.

113263231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662560.

The product of its digits is 648, while the sum is 22.

The square root of 113263231 is about 10642.5199553489. The cubic root of 113263231 is about 483.8339237935.

The spelling of 113263231 in words is "one hundred thirteen million, two hundred sixty-three thousand, two hundred thirty-one".