115361731 has 2 divisors, whose sum is σ = 115361732. Its totient is φ = 115361730.

The previous prime is 115361717. The next prime is 115361777. The reversal of 115361731 is 137163511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115361731 - 2⁵ = 115361699 is a prime.

It is a super-2 number, since 2×115361731² = 26616657958632722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115361731.

It is not a weakly prime, because it can be changed into another prime (115361791) 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 as a sum of consecutive naturals, namely, 57680865 + 57680866.

It is an arithmetic number, because the mean of its divisors is an integer number (57680866).

Almost surely, 2^115361731 is an apocalyptic number.

115361731 is a deficient number, since it is larger than the sum of its proper divisors (1).

115361731 is an equidigital number, since it uses as much as digits as its factorization.

115361731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 28.

The square root of 115361731 is about 10740.6578476367. The cubic root of 115361731 is about 486.8037570151.

The spelling of 115361731 in words is "one hundred fifteen million, three hundred sixty-one thousand, seven hundred thirty-one".