204313243441 has 4 divisors (see below), whose sum is σ = 204494212900. Its totient is φ = 204132273984.

The previous prime is 204313243439. The next prime is 204313243447. The reversal of 204313243441 is 144342313402.

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 7713230625 + 196600012816 = 87825^2 + 443396^2 .

It is a cyclic number.

It is not a de Polignac number, because 204313243441 - 2¹ = 204313243439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204313243447) 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, 90483036 + ... + 90485293.

It is an arithmetic number, because the mean of its divisors is an integer number (51123553225).

Almost surely, 2^204313243441 is an apocalyptic number.

It is an amenable number.

204313243441 is a deficient number, since it is larger than the sum of its proper divisors (180969459).

204313243441 is a wasteful number, since it uses less digits than its factorization.

204313243441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180969458.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 204313243441 its reverse (144342313402), we get a palindrome (348655556843).

The spelling of 204313243441 in words is "two hundred four billion, three hundred thirteen million, two hundred forty-three thousand, four hundred forty-one".