115051231 has 8 divisors (see below), whose sum is σ = 115869600. Its totient is φ = 114236160.

The previous prime is 115051229. The next prime is 115051247. The reversal of 115051231 is 132150511.

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 115051231 - 2¹ = 115051229 is a prime.

It is a super-2 number, since 2×115051231² = 26473571509230722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115051199 and 115051208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115051331) 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, 136710 + ... + 137548.

It is an arithmetic number, because the mean of its divisors is an integer number (14483700).

Almost surely, 2^115051231 is an apocalyptic number.

115051231 is a deficient number, since it is larger than the sum of its proper divisors (818369).

115051231 is an equidigital number, since it uses as much as digits as its factorization.

115051231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 115051231 is about 10726.1936864854. The cubic root of 115051231 is about 486.3666149948.

The spelling of 115051231 in words is "one hundred fifteen million, fifty-one thousand, two hundred thirty-one".