343340311 has 8 divisors (see below), whose sum is σ = 350910144. Its totient is φ = 335781600.

The previous prime is 343340287. The next prime is 343340323. The reversal of 343340311 is 113043343.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343340311 - 2¹⁷ = 343209239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343340911) 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 in 7 ways as a sum of consecutive naturals, for example, 102361 + ... + 105661.

It is an arithmetic number, because the mean of its divisors is an integer number (43863768).

Almost surely, 2^343340311 is an apocalyptic number.

343340311 is a deficient number, since it is larger than the sum of its proper divisors (7569833).

343340311 is a wasteful number, since it uses less digits than its factorization.

343340311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 343340311 is about 18529.4444331178. Note that the first 4 decimals coincide. The cubic root of 343340311 is about 700.2314275607.

Adding to 343340311 its reverse (113043343), we get a palindrome (456383654).

The spelling of 343340311 in words is "three hundred forty-three million, three hundred forty thousand, three hundred eleven".