231044159 has 2 divisors, whose sum is σ = 231044160. Its totient is φ = 231044158.

The previous prime is 231044087. The next prime is 231044239. The reversal of 231044159 is 951440132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231044159 - 2⁸ = 231043903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231046159) 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, 115522079 + 115522080.

It is an arithmetic number, because the mean of its divisors is an integer number (115522080).

Almost surely, 2^231044159 is an apocalyptic number.

231044159 is a deficient number, since it is larger than the sum of its proper divisors (1).

231044159 is an equidigital number, since it uses as much as digits as its factorization.

231044159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 231044159 is about 15200.1368085948. The cubic root of 231044159 is about 613.6183396653.

The spelling of 231044159 in words is "two hundred thirty-one million, forty-four thousand, one hundred fifty-nine".