203431342 has 4 divisors (see below), whose sum is σ = 305147016. Its totient is φ = 101715670.

The previous prime is 203431273. The next prime is 203431357. The reversal of 203431342 is 243134302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50857834 + ... + 50857837.

It is an arithmetic number, because the mean of its divisors is an integer number (76286754).

Almost surely, 2^203431342 is an apocalyptic number.

203431342 is a deficient number, since it is larger than the sum of its proper divisors (101715674).

203431342 is a wasteful number, since it uses less digits than its factorization.

203431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101715673.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 203431342 is about 14262.9359530217. The cubic root of 203431342 is about 588.1290363454.

Adding to 203431342 its reverse (243134302), we get a palindrome (446565644).

The spelling of 203431342 in words is "two hundred three million, four hundred thirty-one thousand, three hundred forty-two".