204244431 has 4 divisors (see below), whose sum is σ = 272325912. Its totient is φ = 136162952.

The previous prime is 204244429. The next prime is 204244451. The reversal of 204244431 is 134442402.

It is a happy number.

204244431 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 is a cyclic number.

It is not a de Polignac number, because 204244431 - 2¹ = 204244429 is a prime.

It is a super-2 number, since 2×204244431² = 83431575189027522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204244421) 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, 34040736 + ... + 34040741.

It is an arithmetic number, because the mean of its divisors is an integer number (68081478).

Almost surely, 2^204244431 is an apocalyptic number.

204244431 is a deficient number, since it is larger than the sum of its proper divisors (68081481).

204244431 is an equidigital number, since it uses as much as digits as its factorization.

204244431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68081480.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 204244431 is about 14291.4110919811. The cubic root of 204244431 is about 588.9115535216.

Adding to 204244431 its reverse (134442402), we get a palindrome (338686833).

The spelling of 204244431 in words is "two hundred four million, two hundred forty-four thousand, four hundred thirty-one".