113043231 has 24 divisors (see below), whose sum is σ = 187185024. Its totient is φ = 64397520.

The previous prime is 113043211. The next prime is 113043239. The reversal of 113043231 is 132340311.

It is not a de Polignac number, because 113043231 - 2⁵ = 113043199 is a prime.

It is a super-3 number, since 3×113043231³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113043239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19276 + ... + 24446.

It is an arithmetic number, because the mean of its divisors is an integer number (7799376).

Almost surely, 2^113043231 is an apocalyptic number.

113043231 is a deficient number, since it is larger than the sum of its proper divisors (74141793).

113043231 is a wasteful number, since it uses less digits than its factorization.

113043231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 113043231 is about 10632.1790334813. The cubic root of 113043231 is about 483.5204579713.

Adding to 113043231 its reverse (132340311), we get a palindrome (245383542).

It can be divided in two parts, 11304 and 3231, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 113043231 in words is "one hundred thirteen million, forty-three thousand, two hundred thirty-one".