343003211 has 4 divisors (see below), whose sum is σ = 345471000. Its totient is φ = 340535424.

The previous prime is 343003151. The next prime is 343003229. The reversal of 343003211 is 112300343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343003211 - 2⁶ = 343003147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343003211.

It is not an unprimeable number, because it can be changed into a prime (343003231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233686 + ... + 1233963.

It is an arithmetic number, because the mean of its divisors is an integer number (86367750).

Almost surely, 2^343003211 is an apocalyptic number.

343003211 is a deficient number, since it is larger than the sum of its proper divisors (2467789).

343003211 is a wasteful number, since it uses less digits than its factorization.

343003211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467788.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 343003211 is about 18520.3458661009. The cubic root of 343003211 is about 700.0021843469.

Adding to 343003211 its reverse (112300343), we get a palindrome (455303554).

The spelling of 343003211 in words is "three hundred forty-three million, three thousand, two hundred eleven".