204311004 has 12 divisors (see below), whose sum is σ = 476725704. Its totient is φ = 68103664.

The previous prime is 204310999. The next prime is 204311033. The reversal of 204311004 is 400113402.

204311004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8512947 + ... + 8512970.

It is an arithmetic number, because the mean of its divisors is an integer number (39727142).

Almost surely, 2^204311004 is an apocalyptic number.

It is an amenable number.

204311004 is an abundant number, since it is smaller than the sum of its proper divisors (272414700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204311004 is a wasteful number, since it uses less digits than its factorization.

204311004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17025924 (or 17025922 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 204311004 is about 14293.7400284180. The cubic root of 204311004 is about 588.9755313574.

Adding to 204311004 its reverse (400113402), we get a palindrome (604424406).

The spelling of 204311004 in words is "two hundred four million, three hundred eleven thousand, four".