115072031 has 16 divisors (see below), whose sum is σ = 127687680. Its totient is φ = 103213440.

The previous prime is 115072003. The next prime is 115072039. The reversal of 115072031 is 130270511.

It is a cyclic number.

It is not a de Polignac number, because 115072031 - 2¹⁸ = 114809887 is a prime.

It is a super-2 number, since 2×115072031² = 26483144636929922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115071994 and 115072012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115072039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33680 + ... + 36938.

It is an arithmetic number, because the mean of its divisors is an integer number (7980480).

Almost surely, 2^115072031 is an apocalyptic number.

115072031 is a deficient number, since it is larger than the sum of its proper divisors (12615649).

115072031 is a wasteful number, since it uses less digits than its factorization.

115072031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 115072031 is about 10727.1632317216. The cubic root of 115072031 is about 486.3959231443.

The spelling of 115072031 in words is "one hundred fifteen million, seventy-two thousand, thirty-one".