343042211 has 4 divisors (see below), whose sum is σ = 348162312. Its totient is φ = 337922112.

The previous prime is 343042199. The next prime is 343042243. The reversal of 343042211 is 112240343.

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 343042211 - 2¹⁴ = 343025827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343042291) 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, 2559950 + ... + 2560083.

It is an arithmetic number, because the mean of its divisors is an integer number (87040578).

Almost surely, 2^343042211 is an apocalyptic number.

343042211 is a deficient number, since it is larger than the sum of its proper divisors (5120101).

343042211 is an equidigital number, since it uses as much as digits as its factorization.

343042211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120100.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 343042211 is about 18521.3987322772. The cubic root of 343042211 is about 700.0287137881.

Adding to 343042211 its reverse (112240343), we get a palindrome (455282554).

The spelling of 343042211 in words is "three hundred forty-three million, forty-two thousand, two hundred eleven".