115115031 has 6 divisors (see below), whose sum is σ = 166277280. Its totient is φ = 76743348.

The previous prime is 115114969. The next prime is 115115051. The reversal of 115115031 is 130511511.

It is not a de Polignac number, because 115115031 - 2¹¹ = 115112983 is a prime.

It is a super-2 number, since 2×115115031² = 26502940724261922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115114995 and 115115013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115115051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6395271 + ... + 6395288.

It is an arithmetic number, because the mean of its divisors is an integer number (27712880).

Almost surely, 2^115115031 is an apocalyptic number.

115115031 is a deficient number, since it is larger than the sum of its proper divisors (51162249).

115115031 is a wasteful number, since it uses less digits than its factorization.

115115031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12790565 (or 12790562 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

The square root of 115115031 is about 10729.1673022654. The cubic root of 115115031 is about 486.4565009113.

Adding to 115115031 its reverse (130511511), we get a palindrome (245626542).

The spelling of 115115031 in words is "one hundred fifteen million, one hundred fifteen thousand, thirty-one".