204134231 has 8 divisors (see below), whose sum is σ = 235606944. Its totient is φ = 173239200.

The previous prime is 204134197. The next prime is 204134237. The reversal of 204134231 is 132431402.

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-204134231 is a prime.

It is a super-2 number, since 2×204134231² = 83341568531922722, which 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 (204134237) 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, 143660 + ... + 145073.

It is an arithmetic number, because the mean of its divisors is an integer number (29450868).

Almost surely, 2^204134231 is an apocalyptic number.

204134231 is a deficient number, since it is larger than the sum of its proper divisors (31472713).

204134231 is a wasteful number, since it uses less digits than its factorization.

204134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288841.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 204134231 is about 14287.5551092550. Note that the first 3 decimals coincide. The cubic root of 204134231 is about 588.8056188036.

Adding to 204134231 its reverse (132431402), we get a palindrome (336565633).

The spelling of 204134231 in words is "two hundred four million, one hundred thirty-four thousand, two hundred thirty-one".