204404330311043 has 32 divisors (see below), whose sum is σ = 212332711979520. Its totient is φ = 196626438328320.

The previous prime is 204404330310823. The next prime is 204404330311061. The reversal of 204404330311043 is 340113033404402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204404330311043 is a prime.

It is a super-2 number, since 2×204404330311043² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204404330317043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14397705821 + ... + 14397720017.

It is an arithmetic number, because the mean of its divisors is an integer number (6635397249360).

Almost surely, 2^{204404330311043} is an apocalyptic number.

204404330311043 is a deficient number, since it is larger than the sum of its proper divisors (7928381668477).

204404330311043 is a wasteful number, since it uses less digits than its factorization.

204404330311043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19067.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 204404330311043 its reverse (340113033404402), we get a palindrome (544517363715445).

The spelling of 204404330311043 in words is "two hundred four trillion, four hundred four billion, three hundred thirty million, three hundred eleven thousand, forty-three".