242940310427 has 2 divisors, whose sum is σ = 242940310428. Its totient is φ = 242940310426.

The previous prime is 242940310391. The next prime is 242940310447. The reversal of 242940310427 is 724013049242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242940310427 - 2¹⁴ = 242940294043 is a prime.

It is not a weakly prime, because it can be changed into another prime (242940310447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121470155213 + 121470155214.

It is an arithmetic number, because the mean of its divisors is an integer number (121470155214).

Almost surely, 2^242940310427 is an apocalyptic number.

242940310427 is a deficient number, since it is larger than the sum of its proper divisors (1).

242940310427 is an equidigital number, since it uses as much as digits as its factorization.

242940310427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 242940310427 its reverse (724013049242), we get a palindrome (966953359669).

The spelling of 242940310427 in words is "two hundred forty-two billion, nine hundred forty million, three hundred ten thousand, four hundred twenty-seven".