204311143343 has 2 divisors, whose sum is σ = 204311143344. Its totient is φ = 204311143342.

The previous prime is 204311143319. The next prime is 204311143357. The reversal of 204311143343 is 343341113402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204311143343 - 2¹⁴ = 204311126959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204311143303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102155571671 + 102155571672.

It is an arithmetic number, because the mean of its divisors is an integer number (102155571672).

Almost surely, 2^204311143343 is an apocalyptic number.

204311143343 is a deficient number, since it is larger than the sum of its proper divisors (1).

204311143343 is an equidigital number, since it uses as much as digits as its factorization.

204311143343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 204311143343 its reverse (343341113402), we get a palindrome (547652256745).

The spelling of 204311143343 in words is "two hundred four billion, three hundred eleven million, one hundred forty-three thousand, three hundred forty-three".