203431042 has 8 divisors (see below), whose sum is σ = 305690256. Its totient is φ = 101534292.

The previous prime is 203431031. The next prime is 203431057. The reversal of 203431042 is 240134302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89208 + ... + 91459.

It is an arithmetic number, because the mean of its divisors is an integer number (38211282).

Almost surely, 2^203431042 is an apocalyptic number.

203431042 is a deficient number, since it is larger than the sum of its proper divisors (102259214).

203431042 is a wasteful number, since it uses less digits than its factorization.

203431042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181232.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 203431042 is about 14262.9254362490. The cubic root of 203431042 is about 588.1287472408.

Adding to 203431042 its reverse (240134302), we get a palindrome (443565344).

The spelling of 203431042 in words is "two hundred three million, four hundred thirty-one thousand, forty-two".