242451323231 has 16 divisors (see below), whose sum is σ = 276496869600. Its totient is φ = 210608606208.

The previous prime is 242451323161. The next prime is 242451323239. The reversal of 242451323231 is 132323154242.

It is not a de Polignac number, because 242451323231 - 2¹⁰ = 242451322207 is a prime.

It is a super-2 number, since 2×242451323231² (a number of 24 digits) 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 (242451323239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1701500 + ... + 1838478.

It is an arithmetic number, because the mean of its divisors is an integer number (17281054350).

Almost surely, 2^242451323231 is an apocalyptic number.

242451323231 is a deficient number, since it is larger than the sum of its proper divisors (34045546369).

242451323231 is a wasteful number, since it uses less digits than its factorization.

242451323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145018.

The product of its digits is 34560, while the sum is 32.

Adding to 242451323231 its reverse (132323154242), we get a palindrome (374774477473).

The spelling of 242451323231 in words is "two hundred forty-two billion, four hundred fifty-one million, three hundred twenty-three thousand, two hundred thirty-one".