204312211 has 8 divisors (see below), whose sum is σ = 206841600. Its totient is φ = 201798600.

The previous prime is 204312209. The next prime is 204312217. The reversal of 204312211 is 112213402.

204312211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204312211 - 2¹ = 204312209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204312217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23250 + ... + 30808.

It is an arithmetic number, because the mean of its divisors is an integer number (25855200).

Almost surely, 2^204312211 is an apocalyptic number.

204312211 is a deficient number, since it is larger than the sum of its proper divisors (2529389).

204312211 is a wasteful number, since it uses less digits than its factorization.

204312211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7889.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 204312211 is about 14293.7822496357. The cubic root of 204312211 is about 588.9766911775.

Adding to 204312211 its reverse (112213402), we get a palindrome (316525613).

The spelling of 204312211 in words is "two hundred four million, three hundred twelve thousand, two hundred eleven".