204431300434441 has 16 divisors (see below), whose sum is σ = 212450547214080. Its totient is φ = 196569139772160.

The previous prime is 204431300434369. The next prime is 204431300434477. The reversal of 204431300434441 is 144434003134402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 204431300434441 - 2⁹ = 204431300433929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204431300434441.

It is not an unprimeable number, because it can be changed into a prime (204431300434741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18244656 + ... + 27234721.

It is an arithmetic number, because the mean of its divisors is an integer number (13278159200880).

Almost surely, 2^{204431300434441} is an apocalyptic number.

It is an amenable number.

204431300434441 is a deficient number, since it is larger than the sum of its proper divisors (8019246779639).

204431300434441 is a wasteful number, since it uses less digits than its factorization.

204431300434441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45481104.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 204431300434441 its reverse (144434003134402), we get a palindrome (348865303568843).

The spelling of 204431300434441 in words is "two hundred four trillion, four hundred thirty-one billion, three hundred million, four hundred thirty-four thousand, four hundred forty-one".