115968231 has 12 divisors (see below), whose sum is σ = 174793008. Its totient is φ = 73950624.

The previous prime is 115968227. The next prime is 115968247. The reversal of 115968231 is 132869511.

It is not a de Polignac number, because 115968231 - 2² = 115968227 is a prime.

It is a super-2 number, since 2×115968231² = 26897261202538722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115968031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279910 + ... + 280323.

It is an arithmetic number, because the mean of its divisors is an integer number (14566084).

Almost surely, 2^115968231 is an apocalyptic number.

115968231 is a deficient number, since it is larger than the sum of its proper divisors (58824777).

115968231 is a wasteful number, since it uses less digits than its factorization.

115968231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560262 (or 560259 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 115968231 is about 10768.8546744768. The cubic root of 115968231 is about 487.6553698066.

The spelling of 115968231 in words is "one hundred fifteen million, nine hundred sixty-eight thousand, two hundred thirty-one".