242330042312251 has 2 divisors, whose sum is σ = 242330042312252. Its totient is φ = 242330042312250.

The previous prime is 242330042312213. The next prime is 242330042312387. The reversal of 242330042312251 is 152213240033242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242330042312251 - 2⁷ = 242330042312123 is a prime.

It is not a weakly prime, because it can be changed into another prime (242330042316251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121165021156125 + 121165021156126.

It is an arithmetic number, because the mean of its divisors is an integer number (121165021156126).

Almost surely, 2^{242330042312251} is an apocalyptic number.

242330042312251 is a deficient number, since it is larger than the sum of its proper divisors (1).

242330042312251 is an equidigital number, since it uses as much as digits as its factorization.

242330042312251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 242330042312251 its reverse (152213240033242), we get a palindrome (394543282345493).

The spelling of 242330042312251 in words is "two hundred forty-two trillion, three hundred thirty billion, forty-two million, three hundred twelve thousand, two hundred fifty-one".