231242542204559 has 2 divisors, whose sum is σ = 231242542204560. Its totient is φ = 231242542204558.

The previous prime is 231242542204493. The next prime is 231242542204571. The reversal of 231242542204559 is 955402245242132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231242542204559 - 2³⁶ = 231173822727823 is a prime.

It is a super-2 number, since 2×231242542204559² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231242542200559) 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, 115621271102279 + 115621271102280.

It is an arithmetic number, because the mean of its divisors is an integer number (115621271102280).

Almost surely, 2^{231242542204559} is an apocalyptic number.

231242542204559 is a deficient number, since it is larger than the sum of its proper divisors (1).

231242542204559 is an equidigital number, since it uses as much as digits as its factorization.

231242542204559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912000, while the sum is 50.

The spelling of 231242542204559 in words is "two hundred thirty-one trillion, two hundred forty-two billion, five hundred forty-two million, two hundred four thousand, five hundred fifty-nine".