242565230331 has 24 divisors (see below), whose sum is σ = 352488570096. Its totient is φ = 160736209920.

The previous prime is 242565230321. The next prime is 242565230339. The reversal of 242565230331 is 133032565242.

242565230331 is a `hidden beast` number, since 2 + 42 + 56 + 5 + 230 + 331 = 666.

It is not a de Polignac number, because 242565230331 - 2²⁵ = 242531675899 is a prime.

It is a super-2 number, since 2×242565230331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242565230339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 872436 + ... + 1116366.

It is an arithmetic number, because the mean of its divisors is an integer number (14687023754).

Almost surely, 2^242565230331 is an apocalyptic number.

242565230331 is a deficient number, since it is larger than the sum of its proper divisors (109923339765).

242565230331 is a wasteful number, since it uses less digits than its factorization.

242565230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244603 (or 244600 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 242565230331 its reverse (133032565242), we get a palindrome (375597795573).

The spelling of 242565230331 in words is "two hundred forty-two billion, five hundred sixty-five million, two hundred thirty thousand, three hundred thirty-one".