115238231 has 8 divisors (see below), whose sum is σ = 117094320. Its totient is φ = 113395968.

The previous prime is 115238213. The next prime is 115238243. The reversal of 115238231 is 132832511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115238231 is a prime.

It is a super-2 number, since 2×115238231² = 26559699768018722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115238231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115238261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14045 + ... + 20681.

It is an arithmetic number, because the mean of its divisors is an integer number (14636790).

Almost surely, 2^115238231 is an apocalyptic number.

115238231 is a deficient number, since it is larger than the sum of its proper divisors (1856089).

115238231 is an equidigital number, since it uses as much as digits as its factorization.

115238231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913.

The product of its digits is 1440, while the sum is 26.

The square root of 115238231 is about 10734.9071258209. The cubic root of 115238231 is about 486.6299797724.

The spelling of 115238231 in words is "one hundred fifteen million, two hundred thirty-eight thousand, two hundred thirty-one".