204310030403 has 4 divisors (see below), whose sum is σ = 204313296408. Its totient is φ = 204306764400.

The previous prime is 204310030363. The next prime is 204310030453. The reversal of 204310030403 is 304030013402.

204310030403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204310030403 - 2¹⁶ = 204309964867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204310030453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537298 + ... + 1664903.

It is an arithmetic number, because the mean of its divisors is an integer number (51078324102).

Almost surely, 2^204310030403 is an apocalyptic number.

204310030403 is a deficient number, since it is larger than the sum of its proper divisors (3266005).

204310030403 is an equidigital number, since it uses as much as digits as its factorization.

204310030403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266004.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 204310030403 its reverse (304030013402), we get a palindrome (508340043805).

The spelling of 204310030403 in words is "two hundred four billion, three hundred ten million, thirty thousand, four hundred three".