242300231 has 2 divisors, whose sum is σ = 242300232. Its totient is φ = 242300230.

The previous prime is 242300203. The next prime is 242300237. The reversal of 242300231 is 132003242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242300231 is a prime.

It is a super-2 number, since 2×242300231² = 117418803885306722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242300237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121150115 + 121150116.

It is an arithmetic number, because the mean of its divisors is an integer number (121150116).

Almost surely, 2^242300231 is an apocalyptic number.

242300231 is a deficient number, since it is larger than the sum of its proper divisors (1).

242300231 is an equidigital number, since it uses as much as digits as its factorization.

242300231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 242300231 is about 15565.9959848382. The cubic root of 242300231 is about 623.4255676441.

Adding to 242300231 its reverse (132003242), we get a palindrome (374303473).

The spelling of 242300231 in words is "two hundred forty-two million, three hundred thousand, two hundred thirty-one".