204103314503 has 16 divisors (see below), whose sum is σ = 222980760576. Its totient is φ = 185279833440.

The previous prime is 204103314479. The next prime is 204103314517. The reversal of 204103314503 is 305413301402.

It is a cyclic number.

It is not a de Polignac number, because 204103314503 - 2⁶ = 204103314439 is a prime.

It is a super-2 number, since 2×204103314503² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204103314523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34573250 + ... + 34579152.

It is an arithmetic number, because the mean of its divisors is an integer number (13936297536).

Almost surely, 2^204103314503 is an apocalyptic number.

204103314503 is a deficient number, since it is larger than the sum of its proper divisors (18877446073).

204103314503 is a wasteful number, since it uses less digits than its factorization.

204103314503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9934.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 204103314503 its reverse (305413301402), we get a palindrome (509516615905).

The spelling of 204103314503 in words is "two hundred four billion, one hundred three million, three hundred fourteen thousand, five hundred three".