204312110144403 has 16 divisors (see below), whose sum is σ = 288443075099040. Its totient is φ = 128194745366016.

The previous prime is 204312110144393. The next prime is 204312110144423. The reversal of 204312110144403 is 304441011213402.

It is a happy number.

It is not a de Polignac number, because 204312110144403 - 2⁹ = 204312110143891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204312110144423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10920300 + ... + 22975577.

It is an arithmetic number, because the mean of its divisors is an integer number (18027692193690).

Almost surely, 2^{204312110144403} is an apocalyptic number.

204312110144403 is a deficient number, since it is larger than the sum of its proper divisors (84130964954637).

204312110144403 is a wasteful number, since it uses less digits than its factorization.

204312110144403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34014086.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 204312110144403 its reverse (304441011213402), we get a palindrome (508753121357805).

The spelling of 204312110144403 in words is "two hundred four trillion, three hundred twelve billion, one hundred ten million, one hundred forty-four thousand, four hundred three".