204343133 has 4 divisors (see below), whose sum is σ = 207142428. Its totient is φ = 201543840.

The previous prime is 204343123. The next prime is 204343141. The reversal of 204343133 is 331343402.

204343133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92871769 + 111471364 = 9637^2 + 10558^2 .

It is a cyclic number.

It is not a de Polignac number, because 204343133 - 2⁸ = 204342877 is a prime.

It is a super-2 number, since 2×204343133² = 83512232008511378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204343099 and 204343108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204343123) 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, 1399538 + ... + 1399683.

It is an arithmetic number, because the mean of its divisors is an integer number (51785607).

Almost surely, 2^204343133 is an apocalyptic number.

It is an amenable number.

204343133 is a deficient number, since it is larger than the sum of its proper divisors (2799295).

204343133 is an equidigital number, since it uses as much as digits as its factorization.

204343133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799294.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 204343133 is about 14294.8638678373. The cubic root of 204343133 is about 589.0064029251.

Adding to 204343133 its reverse (331343402), we get a palindrome (535686535).

The spelling of 204343133 in words is "two hundred four million, three hundred forty-three thousand, one hundred thirty-three".