204344311 has 4 divisors (see below), whose sum is σ = 206367624. Its totient is φ = 202321000.

The previous prime is 204344279. The next prime is 204344333. The reversal of 204344311 is 113443402.

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 204344311 - 2⁵ = 204344279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204344381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011505 + ... + 1011706.

It is an arithmetic number, because the mean of its divisors is an integer number (51591906).

Almost surely, 2^204344311 is an apocalyptic number.

204344311 is a deficient number, since it is larger than the sum of its proper divisors (2023313).

204344311 is a wasteful number, since it uses less digits than its factorization.

204344311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023312.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 204344311 is about 14294.9050713882. The cubic root of 204344311 is about 589.0075347603.

Adding to 204344311 its reverse (113443402), we get a palindrome (317787713).

Subtracting from 204344311 its reverse (113443402), we obtain a palindrome (90900909).

The spelling of 204344311 in words is "two hundred four million, three hundred forty-four thousand, three hundred eleven".