242431345215 has 48 divisors (see below), whose sum is σ = 442819977600. Its totient is φ = 122356184256.

The previous prime is 242431345159. The next prime is 242431345259. The reversal of 242431345215 is 512543134242.

It is a happy number.

242431345215 is a `hidden beast` number, since 2 + 4 + 2 + 431 + 3 + 4 + 5 + 215 = 666.

It is not a de Polignac number, because 242431345215 - 2¹⁴ = 242431328831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242431345215.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 619176 + ... + 931794.

It is an arithmetic number, because the mean of its divisors is an integer number (9225416200).

Almost surely, 2^242431345215 is an apocalyptic number.

242431345215 is a deficient number, since it is larger than the sum of its proper divisors (200388632385).

242431345215 is a wasteful number, since it uses less digits than its factorization.

242431345215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313556 (or 313553 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 242431345215 its reverse (512543134242), we get a palindrome (754974479457).

The spelling of 242431345215 in words is "two hundred forty-two billion, four hundred thirty-one million, three hundred forty-five thousand, two hundred fifteen".