115130731 has 2 divisors, whose sum is σ = 115130732. Its totient is φ = 115130730.

The previous prime is 115130713. The next prime is 115130753. The reversal of 115130731 is 137031511.

Together with previous prime (115130713) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (115130753) can be obtained adding 115130731 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115130731 - 2⁵ = 115130699 is a prime.

It is a super-2 number, since 2×115130731² = 26510170441188722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115130131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57565365 + 57565366.

It is an arithmetic number, because the mean of its divisors is an integer number (57565366).

Almost surely, 2^115130731 is an apocalyptic number.

115130731 is a deficient number, since it is larger than the sum of its proper divisors (1).

115130731 is an equidigital number, since it uses as much as digits as its factorization.

115130731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 115130731 is about 10729.8989277626. The cubic root of 115130731 is about 486.4786150807.

The spelling of 115130731 in words is "one hundred fifteen million, one hundred thirty thousand, seven hundred thirty-one".