242531344 has 20 divisors (see below), whose sum is σ = 512623440. Its totient is φ = 110241440.

The previous prime is 242531329. The next prime is 242531347. The reversal of 242531344 is 443135242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242531347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688834 + ... + 689185.

It is an arithmetic number, because the mean of its divisors is an integer number (25631172).

Almost surely, 2^242531344 is an apocalyptic number.

It is an amenable number.

242531344 is an abundant number, since it is smaller than the sum of its proper divisors (270092096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242531344 is a wasteful number, since it uses less digits than its factorization.

242531344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378038 (or 1378032 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 242531344 is about 15573.4178650674. The cubic root of 242531344 is about 623.6237184632.

Adding to 242531344 its reverse (443135242), we get a palindrome (685666586).

The spelling of 242531344 in words is "two hundred forty-two million, five hundred thirty-one thousand, three hundred forty-four".