231303344089 has 2 divisors, whose sum is σ = 231303344090. Its totient is φ = 231303344088.

The previous prime is 231303344081. The next prime is 231303344159. The reversal of 231303344089 is 980443303132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185937752025 + 45365592064 = 431205^2 + 212992^2 .

It is a cyclic number.

It is not a de Polignac number, because 231303344089 - 2³ = 231303344081 is a prime.

It is not a weakly prime, because it can be changed into another prime (231303344081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651672044 + 115651672045.

It is an arithmetic number, because the mean of its divisors is an integer number (115651672045).

Almost surely, 2^231303344089 is an apocalyptic number.

It is an amenable number.

231303344089 is a deficient number, since it is larger than the sum of its proper divisors (1).

231303344089 is an equidigital number, since it uses as much as digits as its factorization.

231303344089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 231303344089 in words is "two hundred thirty-one billion, three hundred three million, three hundred forty-four thousand, eighty-nine".