204343003313311 has 2 divisors, whose sum is σ = 204343003313312. Its totient is φ = 204343003313310.

The previous prime is 204343003313243. The next prime is 204343003313387. The reversal of 204343003313311 is 113313300343402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204343003313311 - 2¹⁵ = 204343003280543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204343003313011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102171501656655 + 102171501656656.

It is an arithmetic number, because the mean of its divisors is an integer number (102171501656656).

Almost surely, 2^{204343003313311} is an apocalyptic number.

204343003313311 is a deficient number, since it is larger than the sum of its proper divisors (1).

204343003313311 is an equidigital number, since it uses as much as digits as its factorization.

204343003313311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 204343003313311 its reverse (113313300343402), we get a palindrome (317656303656713).

The spelling of 204343003313311 in words is "two hundred four trillion, three hundred forty-three billion, three million, three hundred thirteen thousand, three hundred eleven".