242531216 has 40 divisors (see below), whose sum is σ = 476945664. Its totient is φ = 119462400.

The previous prime is 242531167. The next prime is 242531221. The reversal of 242531216 is 612135242.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604616 + ... + 605016.

Almost surely, 2^242531216 is an apocalyptic number.

It is an amenable number.

242531216 is a deficient number, since it is larger than the sum of its proper divisors (234414448).

242531216 is a wasteful number, since it uses less digits than its factorization.

242531216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 873 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 242531216 is about 15573.4137555001. The cubic root of 242531216 is about 623.6236087538.

Adding to 242531216 its reverse (612135242), we get a palindrome (854666458).

The spelling of 242531216 in words is "two hundred forty-two million, five hundred thirty-one thousand, two hundred sixteen".