115105031 has 8 divisors (see below), whose sum is σ = 119767680. Its totient is φ = 110488672.

The previous prime is 115105027. The next prime is 115105037. The reversal of 115105031 is 130501511.

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 115105031 - 2² = 115105027 is a prime.

It is a super-2 number, since 2×115105031² = 26498336323021922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115105037) 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, 6455 + ... + 16488.

It is an arithmetic number, because the mean of its divisors is an integer number (14970960).

Almost surely, 2^115105031 is an apocalyptic number.

115105031 is a deficient number, since it is larger than the sum of its proper divisors (4662649).

115105031 is a wasteful number, since it uses less digits than its factorization.

115105031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23145.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 115105031 is about 10728.7012727543. The cubic root of 115105031 is about 486.4424144049.

Adding to 115105031 its reverse (130501511), we get a palindrome (245606542).

The spelling of 115105031 in words is "one hundred fifteen million, one hundred five thousand, thirty-one".