202431242 has 24 divisors (see below), whose sum is σ = 334406880. Its totient is φ = 91837200.

The previous prime is 202431239. The next prime is 202431253. The reversal of 202431242 is 242134202.

202431242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14867 + ... + 25017.

It is an arithmetic number, because the mean of its divisors is an integer number (13933620).

Almost surely, 2^202431242 is an apocalyptic number.

202431242 is a deficient number, since it is larger than the sum of its proper divisors (131975638).

202431242 is a wasteful number, since it uses less digits than its factorization.

202431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10238 (or 10225 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 202431242 is about 14227.8333557854. The cubic root of 202431242 is about 587.1636748318.

Adding to 202431242 its reverse (242134202), we get a palindrome (444565444).

The spelling of 202431242 in words is "two hundred two million, four hundred thirty-one thousand, two hundred forty-two".