204130103 has 4 divisors (see below), whose sum is σ = 209108928. Its totient is φ = 199151280.

The previous prime is 204130081. The next prime is 204130109. The reversal of 204130103 is 301031402.

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

It is a cyclic number.

It is not a de Polignac number, because 204130103 - 2⁸ = 204129847 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 (204130109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489351 + ... + 2489432.

It is an arithmetic number, because the mean of its divisors is an integer number (52277232).

Almost surely, 2^204130103 is an apocalyptic number.

204130103 is a deficient number, since it is larger than the sum of its proper divisors (4978825).

204130103 is an equidigital number, since it uses as much as digits as its factorization.

204130103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978824.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 204130103 is about 14287.4106471397. The cubic root of 204130103 is about 588.8016498368.

Adding to 204130103 its reverse (301031402), we get a palindrome (505161505).

The spelling of 204130103 in words is "two hundred four million, one hundred thirty thousand, one hundred three".