204436031255 has 4 divisors (see below), whose sum is σ = 245323237512. Its totient is φ = 163548825000.

The previous prime is 204436031237. The next prime is 204436031273. The reversal of 204436031255 is 552130634402.

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

It is an interprime number because it is at equal distance from previous prime (204436031237) and next prime (204436031273).

It is not a de Polignac number, because 204436031255 - 2²⁸ = 204167595799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20443603121 + ... + 20443603130.

It is an arithmetic number, because the mean of its divisors is an integer number (61330809378).

Almost surely, 2^204436031255 is an apocalyptic number.

204436031255 is a deficient number, since it is larger than the sum of its proper divisors (40887206257).

204436031255 is an equidigital number, since it uses as much as digits as its factorization.

204436031255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40887206256.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 204436031255 its reverse (552130634402), we get a palindrome (756566665657).

The spelling of 204436031255 in words is "two hundred four billion, four hundred thirty-six million, thirty-one thousand, two hundred fifty-five".