203431742 has 8 divisors (see below), whose sum is σ = 305232600. Its totient is φ = 101687544.

The previous prime is 203431663. The next prime is 203431759. The reversal of 203431742 is 247134302.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617 + ... + 20492.

It is an arithmetic number, because the mean of its divisors is an integer number (38154075).

Almost surely, 2^203431742 is an apocalyptic number.

203431742 is a deficient number, since it is larger than the sum of its proper divisors (101800858).

203431742 is a wasteful number, since it uses less digits than its factorization.

203431742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28330.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 203431742 is about 14262.9499753733. The cubic root of 203431742 is about 588.1294218177.

The spelling of 203431742 in words is "two hundred three million, four hundred thirty-one thousand, seven hundred forty-two".