204003313403 has 2 divisors, whose sum is σ = 204003313404. Its totient is φ = 204003313402.

The previous prime is 204003313399. The next prime is 204003313421. The reversal of 204003313403 is 304313300402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204003313403 - 2² = 204003313399 is a prime.

It is not a weakly prime, because it can be changed into another prime (204003313483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102001656701 + 102001656702.

It is an arithmetic number, because the mean of its divisors is an integer number (102001656702).

Almost surely, 2^204003313403 is an apocalyptic number.

204003313403 is a deficient number, since it is larger than the sum of its proper divisors (1).

204003313403 is an equidigital number, since it uses as much as digits as its factorization.

204003313403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 204003313403 its reverse (304313300402), we get a palindrome (508316613805).

The spelling of 204003313403 in words is "two hundred four billion, three million, three hundred thirteen thousand, four hundred three".