115733231 has 2 divisors, whose sum is σ = 115733232. Its totient is φ = 115733230.

The previous prime is 115733221. The next prime is 115733239. The reversal of 115733231 is 132337511.

It is a strong prime.

It is an emirp because it is prime and its reverse (132337511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115733231 - 2¹⁸ = 115471087 is a prime.

It is a super-2 number, since 2×115733231² = 26788361515398722, 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 115733231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115733239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57866615 + 57866616.

It is an arithmetic number, because the mean of its divisors is an integer number (57866616).

Almost surely, 2^115733231 is an apocalyptic number.

115733231 is a deficient number, since it is larger than the sum of its proper divisors (1).

115733231 is an equidigital number, since it uses as much as digits as its factorization.

115733231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 26.

The square root of 115733231 is about 10757.9380459268. The cubic root of 115733231 is about 487.3257493389.

The spelling of 115733231 in words is "one hundred fifteen million, seven hundred thirty-three thousand, two hundred thirty-one".