242302331 has 2 divisors, whose sum is σ = 242302332. Its totient is φ = 242302330.

The previous prime is 242302303. The next prime is 242302363. The reversal of 242302331 is 133203242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242302331 - 2¹⁴ = 242285947 is a prime.

It is a super-2 number, since 2×242302331² = 117420839216067122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (242302031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121151165 + 121151166.

It is an arithmetic number, because the mean of its divisors is an integer number (121151166).

Almost surely, 2^242302331 is an apocalyptic number.

242302331 is a deficient number, since it is larger than the sum of its proper divisors (1).

242302331 is an equidigital number, since it uses as much as digits as its factorization.

242302331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 242302331 is about 15566.0634394185. The cubic root of 242302331 is about 623.4273687016.

Adding to 242302331 its reverse (133203242), we get a palindrome (375505573).

The spelling of 242302331 in words is "two hundred forty-two million, three hundred two thousand, three hundred thirty-one".