115256231 has 2 divisors, whose sum is σ = 115256232. Its totient is φ = 115256230.

The previous prime is 115256213. The next prime is 115256249. The reversal of 115256231 is 132652511.

Together with previous prime (115256213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (115256213) and next prime (115256249).

It is a cyclic number.

It is not a de Polignac number, because 115256231 - 2¹⁴ = 115239847 is a prime.

It is a super-2 number, since 2×115256231² = 26567997568650722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115256231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115256201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57628115 + 57628116.

It is an arithmetic number, because the mean of its divisors is an integer number (57628116).

Almost surely, 2^115256231 is an apocalyptic number.

115256231 is a deficient number, since it is larger than the sum of its proper divisors (1).

115256231 is an equidigital number, since it uses as much as digits as its factorization.

115256231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 115256231 is about 10735.7454794718. The cubic root of 115256231 is about 486.6553153563.

The spelling of 115256231 in words is "one hundred fifteen million, two hundred fifty-six thousand, two hundred thirty-one".