343344109 has 2 divisors, whose sum is σ = 343344110. Its totient is φ = 343344108.

The previous prime is 343344107. The next prime is 343344181. The reversal of 343344109 is 901443343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337750884 + 5593225 = 18378^2 + 2365^2 .

It is a cyclic number.

It is not a de Polignac number, because 343344109 - 2¹ = 343344107 is a prime.

Together with 343344107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343344101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171672054 + 171672055.

It is an arithmetic number, because the mean of its divisors is an integer number (171672055).

Almost surely, 2^343344109 is an apocalyptic number.

It is an amenable number.

343344109 is a deficient number, since it is larger than the sum of its proper divisors (1).

343344109 is an equidigital number, since it uses as much as digits as its factorization.

343344109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 343344109 is about 18529.5469183680. The cubic root of 343344109 is about 700.2340095172.

The spelling of 343344109 in words is "three hundred forty-three million, three hundred forty-four thousand, one hundred nine".