343111103 has 2 divisors, whose sum is σ = 343111104. Its totient is φ = 343111102.

The previous prime is 343111009. The next prime is 343111117. The reversal of 343111103 is 301111343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343111103 - 2¹⁸ = 342848959 is a 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 (343111123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171555551 + 171555552.

It is an arithmetic number, because the mean of its divisors is an integer number (171555552).

Almost surely, 2^343111103 is an apocalyptic number.

343111103 is a deficient number, since it is larger than the sum of its proper divisors (1).

343111103 is an equidigital number, since it uses as much as digits as its factorization.

343111103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 343111103 is about 18523.2584336558. The cubic root of 343111103 is about 700.0755721130.

Adding to 343111103 its reverse (301111343), we get a palindrome (644222446).

The spelling of 343111103 in words is "three hundred forty-three million, one hundred eleven thousand, one hundred three".