203142003103 has 6 divisors (see below), whose sum is σ = 219970334904. Its totient is φ = 187515695016.

The previous prime is 203142003089. The next prime is 203142003137. The reversal of 203142003103 is 301300241302.

It is not a de Polignac number, because 203142003103 - 2³⁷ = 65703049631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203142003193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601011675 + ... + 601012012.

It is an arithmetic number, because the mean of its divisors is an integer number (36661722484).

Almost surely, 2^203142003103 is an apocalyptic number.

203142003103 is a deficient number, since it is larger than the sum of its proper divisors (16828331801).

203142003103 is a wasteful number, since it uses less digits than its factorization.

203142003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202023713 (or 1202023700 counting only the distinct ones).

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

Adding to 203142003103 its reverse (301300241302), we get a palindrome (504442244405).

The spelling of 203142003103 in words is "two hundred three billion, one hundred forty-two million, three thousand, one hundred three".