113231959 has 2 divisors, whose sum is σ = 113231960. Its totient is φ = 113231958.

The previous prime is 113231957. The next prime is 113231969. The reversal of 113231959 is 959132311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113231959 - 2¹ = 113231957 is a prime.

Together with 113231957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113231953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56615979 + 56615980.

It is an arithmetic number, because the mean of its divisors is an integer number (56615980).

Almost surely, 2^113231959 is an apocalyptic number.

113231959 is a deficient number, since it is larger than the sum of its proper divisors (1).

113231959 is an equidigital number, since it uses as much as digits as its factorization.

113231959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 34.

The square root of 113231959 is about 10641.0506530135. The cubic root of 113231959 is about 483.7893908147.

The spelling of 113231959 in words is "one hundred thirteen million, two hundred thirty-one thousand, nine hundred fifty-nine".