343111199 has 2 divisors, whose sum is σ = 343111200. Its totient is φ = 343111198.

The previous prime is 343111189. The next prime is 343111207. The reversal of 343111199 is 991111343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343111199 - 2⁴ = 343111183 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343111129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171555599 + 171555600.

It is an arithmetic number, because the mean of its divisors is an integer number (171555600).

Almost surely, 2^343111199 is an apocalyptic number.

343111199 is a deficient number, since it is larger than the sum of its proper divisors (1).

343111199 is an equidigital number, since it uses as much as digits as its factorization.

343111199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 32.

The square root of 343111199 is about 18523.2610249923. The cubic root of 343111199 is about 700.0756374051.

The spelling of 343111199 in words is "three hundred forty-three million, one hundred eleven thousand, one hundred ninety-nine".