204231133 has 8 divisors (see below), whose sum is σ = 215122400. Its totient is φ = 193354128.

The previous prime is 204231109. The next prime is 204231161. The reversal of 204231133 is 331132402.

204231133 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 a de Polignac number, because none of the positive numbers 2^k-204231133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204231133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204231173) 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, 38935 + ... + 43867.

It is an arithmetic number, because the mean of its divisors is an integer number (26890300).

Almost surely, 2^204231133 is an apocalyptic number.

It is an amenable number.

204231133 is a deficient number, since it is larger than the sum of its proper divisors (10891267).

204231133 is a wasteful number, since it uses less digits than its factorization.

204231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 204231133 is about 14290.9458399366. The cubic root of 204231133 is about 588.8987722416.

Adding to 204231133 its reverse (331132402), we get a palindrome (535363535).

The spelling of 204231133 in words is "two hundred four million, two hundred thirty-one thousand, one hundred thirty-three".