115304031 has 6 divisors (see below), whose sum is σ = 166550280. Its totient is φ = 76869348.

The previous prime is 115304023. The next prime is 115304051. The reversal of 115304031 is 130403511.

It is not a de Polignac number, because 115304031 - 2³ = 115304023 is a prime.

It is a super-2 number, since 2×115304031² = 26590039129697922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115303995 and 115304013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115304051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6405771 + ... + 6405788.

It is an arithmetic number, because the mean of its divisors is an integer number (27758380).

Almost surely, 2^115304031 is an apocalyptic number.

115304031 is a deficient number, since it is larger than the sum of its proper divisors (51246249).

115304031 is a wasteful number, since it uses less digits than its factorization.

115304031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811565 (or 12811562 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115304031 is about 10737.9714564717. The cubic root of 115304031 is about 486.7225826059.

Adding to 115304031 its reverse (130403511), we get a palindrome (245707542).

The spelling of 115304031 in words is "one hundred fifteen million, three hundred four thousand, thirty-one".