242313244431919 has 2 divisors, whose sum is σ = 242313244431920. Its totient is φ = 242313244431918.

The previous prime is 242313244431911. The next prime is 242313244432033. The reversal of 242313244431919 is 919134442313242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242313244431919 - 2³ = 242313244431911 is a prime.

It is a super-2 number, since 2×242313244431919² (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 (242313244431911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121156622215959 + 121156622215960.

It is an arithmetic number, because the mean of its divisors is an integer number (121156622215960).

Almost surely, 2^{242313244431919} is an apocalyptic number.

242313244431919 is a deficient number, since it is larger than the sum of its proper divisors (1).

242313244431919 is an equidigital number, since it uses as much as digits as its factorization.

242313244431919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 52.

The spelling of 242313244431919 in words is "two hundred forty-two trillion, three hundred thirteen billion, two hundred forty-four million, four hundred thirty-one thousand, nine hundred nineteen".