242330231 has 16 divisors (see below), whose sum is σ = 297077760. Its totient is φ = 194509920.

The previous prime is 242330227. The next prime is 242330233. The reversal of 242330231 is 132033242.

It is not a de Polignac number, because 242330231 - 2² = 242330227 is a prime.

It is a super-2 number, since 2×242330231² = 117447881713026722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242330233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33551 + ... + 40128.

It is an arithmetic number, because the mean of its divisors is an integer number (18567360).

Almost surely, 2^242330231 is an apocalyptic number.

242330231 is a deficient number, since it is larger than the sum of its proper divisors (54747529).

242330231 is a wasteful number, since it uses less digits than its factorization.

242330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73726.

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

The square root of 242330231 is about 15566.9595939605. The cubic root of 242330231 is about 623.4512960488.

Adding to 242330231 its reverse (132033242), we get a palindrome (374363473).

The spelling of 242330231 in words is "two hundred forty-two million, three hundred thirty thousand, two hundred thirty-one".