204303343161311 has 2 divisors, whose sum is σ = 204303343161312. Its totient is φ = 204303343161310.

The previous prime is 204303343161301. The next prime is 204303343161343. The reversal of 204303343161311 is 113161343303402.

204303343161311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204303343161311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204303343161301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102151671580655 + 102151671580656.

It is an arithmetic number, because the mean of its divisors is an integer number (102151671580656).

Almost surely, 2^{204303343161311} is an apocalyptic number.

204303343161311 is a deficient number, since it is larger than the sum of its proper divisors (1).

204303343161311 is an equidigital number, since it uses as much as digits as its factorization.

204303343161311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 204303343161311 its reverse (113161343303402), we get a palindrome (317464686464713).

The spelling of 204303343161311 in words is "two hundred four trillion, three hundred three billion, three hundred forty-three million, one hundred sixty-one thousand, three hundred eleven".