203313142 has 16 divisors (see below), whose sum is σ = 318558240. Its totient is φ = 97195392.

The previous prime is 203313139. The next prime is 203313151. The reversal of 203313142 is 241313302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11043 + ... + 22990.

It is an arithmetic number, because the mean of its divisors is an integer number (19909890).

Almost surely, 2^203313142 is an apocalyptic number.

203313142 is a deficient number, since it is larger than the sum of its proper divisors (115245098).

203313142 is a wasteful number, since it uses less digits than its factorization.

203313142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34167.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 203313142 is about 14258.7917440434. The cubic root of 203313142 is about 588.0151071288.

Adding to 203313142 its reverse (241313302), we get a palindrome (444626444).

The spelling of 203313142 in words is "two hundred three million, three hundred thirteen thousand, one hundred forty-two".