242331315451 has 2 divisors, whose sum is σ = 242331315452. Its totient is φ = 242331315450.

The previous prime is 242331315409. The next prime is 242331315469. The reversal of 242331315451 is 154513133242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242331315451 - 2²⁹ = 241794444539 is a prime.

It is not a weakly prime, because it can be changed into another prime (242331312451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121165657725 + 121165657726.

It is an arithmetic number, because the mean of its divisors is an integer number (121165657726).

Almost surely, 2^242331315451 is an apocalyptic number.

242331315451 is a deficient number, since it is larger than the sum of its proper divisors (1).

242331315451 is an equidigital number, since it uses as much as digits as its factorization.

242331315451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

Adding to 242331315451 its reverse (154513133242), we get a palindrome (396844448693).

The spelling of 242331315451 in words is "two hundred forty-two billion, three hundred thirty-one million, three hundred fifteen thousand, four hundred fifty-one".