343342211 has 4 divisors (see below), whose sum is σ = 343385952. Its totient is φ = 343298472.

The previous prime is 343342187. The next prime is 343342247. The reversal of 343342211 is 112243343.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 112243343 = 31 ⋅3620753.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343342211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343342271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6491 + ... + 26996.

It is an arithmetic number, because the mean of its divisors is an integer number (85846488).

Almost surely, 2^343342211 is an apocalyptic number.

343342211 is a deficient number, since it is larger than the sum of its proper divisors (43741).

343342211 is a wasteful number, since it uses less digits than its factorization.

343342211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43740.

The product of its digits is 1728, while the sum is 23.

The square root of 343342211 is about 18529.4957027977. The cubic root of 343342211 is about 700.2327192212.

Adding to 343342211 its reverse (112243343), we get a palindrome (455585554).

The spelling of 343342211 in words is "three hundred forty-three million, three hundred forty-two thousand, two hundred eleven".