242315513239 has 2 divisors, whose sum is σ = 242315513240. Its totient is φ = 242315513238.

The previous prime is 242315513221. The next prime is 242315513267. The reversal of 242315513239 is 932315513242.

It is a happy number.

242315513239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242315513239 - 2⁵ = 242315513207 is a prime.

It is a super-2 number, since 2×242315513239² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242315513339) 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, 121157756619 + 121157756620.

It is an arithmetic number, because the mean of its divisors is an integer number (121157756620).

Almost surely, 2^242315513239 is an apocalyptic number.

242315513239 is a deficient number, since it is larger than the sum of its proper divisors (1).

242315513239 is an equidigital number, since it uses as much as digits as its factorization.

242315513239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The spelling of 242315513239 in words is "two hundred forty-two billion, three hundred fifteen million, five hundred thirteen thousand, two hundred thirty-nine".