202102431442 has 16 divisors (see below), whose sum is σ = 304515979200. Its totient is φ = 100598092560.

The previous prime is 202102431413. The next prime is 202102431499. The reversal of 202102431442 is 244134201202.

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, 163659 + ... + 656497.

It is an arithmetic number, because the mean of its divisors is an integer number (19032248700).

Almost surely, 2^202102431442 is an apocalyptic number.

202102431442 is a deficient number, since it is larger than the sum of its proper divisors (102413547758).

202102431442 is a wasteful number, since it uses less digits than its factorization.

202102431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493761.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 202102431442 its reverse (244134201202), we get a palindrome (446236632644).

The spelling of 202102431442 in words is "two hundred two billion, one hundred two million, four hundred thirty-one thousand, four hundred forty-two".