115756231 has 2 divisors, whose sum is σ = 115756232. Its totient is φ = 115756230.

The previous prime is 115756229. The next prime is 115756261. The reversal of 115756231 is 132657511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115756231 - 2¹ = 115756229 is a prime.

It is a super-2 number, since 2×115756231² = 26799010030650722, which contains 22 as substring.

Together with 115756229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115756193 and 115756202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115756261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57878115 + 57878116.

It is an arithmetic number, because the mean of its divisors is an integer number (57878116).

Almost surely, 2^115756231 is an apocalyptic number.

115756231 is a deficient number, since it is larger than the sum of its proper divisors (1).

115756231 is an equidigital number, since it uses as much as digits as its factorization.

115756231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 31.

The square root of 115756231 is about 10759.0069709058. The cubic root of 115756231 is about 487.3580297529.

The spelling of 115756231 in words is "one hundred fifteen million, seven hundred fifty-six thousand, two hundred thirty-one".