242255330311 has 2 divisors, whose sum is σ = 242255330312. Its totient is φ = 242255330310.

The previous prime is 242255330309. The next prime is 242255330321. The reversal of 242255330311 is 113033552242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242255330311 - 2¹ = 242255330309 is a prime.

Together with 242255330309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242255330321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121127665155 + 121127665156.

It is an arithmetic number, because the mean of its divisors is an integer number (121127665156).

Almost surely, 2^242255330311 is an apocalyptic number.

242255330311 is a deficient number, since it is larger than the sum of its proper divisors (1).

242255330311 is an equidigital number, since it uses as much as digits as its factorization.

242255330311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 242255330311 its reverse (113033552242), we get a palindrome (355288882553).

The spelling of 242255330311 in words is "two hundred forty-two billion, two hundred fifty-five million, three hundred thirty thousand, three hundred eleven".