115037731 has 2 divisors, whose sum is σ = 115037732. Its totient is φ = 115037730.

The previous prime is 115037711. The next prime is 115037737. The reversal of 115037731 is 137730511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115037731 is a prime.

It is a super-2 number, since 2×115037731² = 26467359107256722, 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 115037731.

It is not a weakly prime, because it can be changed into another prime (115037737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57518865 + 57518866.

It is an arithmetic number, because the mean of its divisors is an integer number (57518866).

Almost surely, 2^115037731 is an apocalyptic number.

115037731 is a deficient number, since it is larger than the sum of its proper divisors (1).

115037731 is an equidigital number, since it uses as much as digits as its factorization.

115037731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 115037731 is about 10725.5643674354. The cubic root of 115037731 is about 486.3475909882.

The spelling of 115037731 in words is "one hundred fifteen million, thirty-seven thousand, seven hundred thirty-one".