115431251 has 8 divisors (see below), whose sum is σ = 130853520. Its totient is φ = 100943712.

The previous prime is 115431209. The next prime is 115431271. The reversal of 115431251 is 152134511.

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

It is a cyclic number.

It is not a de Polignac number, because 115431251 - 2⁶ = 115431187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115431271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233420 + ... + 233913.

It is an arithmetic number, because the mean of its divisors is an integer number (16356690).

Almost surely, 2^115431251 is an apocalyptic number.

115431251 is a deficient number, since it is larger than the sum of its proper divisors (15422269).

115431251 is a wasteful number, since it uses less digits than its factorization.

115431251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467365.

The product of its digits is 600, while the sum is 23.

The square root of 115431251 is about 10743.8936610523. The cubic root of 115431251 is about 486.9015242759.

Adding to 115431251 its reverse (152134511), we get a palindrome (267565762).

The spelling of 115431251 in words is "one hundred fifteen million, four hundred thirty-one thousand, two hundred fifty-one".