242042234321 has 2 divisors, whose sum is σ = 242042234322. Its totient is φ = 242042234320.

The previous prime is 242042234299. The next prime is 242042234327. The reversal of 242042234321 is 123432240242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168296857600 + 73745376721 = 410240^2 + 271561^2 .

It is a cyclic number.

It is not a de Polignac number, because 242042234321 - 2²² = 242038040017 is a prime.

It is not a weakly prime, because it can be changed into another prime (242042234327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121021117160 + 121021117161.

It is an arithmetic number, because the mean of its divisors is an integer number (121021117161).

Almost surely, 2^242042234321 is an apocalyptic number.

It is an amenable number.

242042234321 is a deficient number, since it is larger than the sum of its proper divisors (1).

242042234321 is an equidigital number, since it uses as much as digits as its factorization.

242042234321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 242042234321 its reverse (123432240242), we get a palindrome (365474474563).

The spelling of 242042234321 in words is "two hundred forty-two billion, forty-two million, two hundred thirty-four thousand, three hundred twenty-one".