343401211 has 2 divisors, whose sum is σ = 343401212. Its totient is φ = 343401210.

The previous prime is 343401187. The next prime is 343401221. The reversal of 343401211 is 112104343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343401211 - 2¹¹ = 343399163 is a prime.

It is not a weakly prime, because it can be changed into another prime (343401221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171700605 + 171700606.

It is an arithmetic number, because the mean of its divisors is an integer number (171700606).

Almost surely, 2^343401211 is an apocalyptic number.

343401211 is a deficient number, since it is larger than the sum of its proper divisors (1).

343401211 is an equidigital number, since it uses as much as digits as its factorization.

343401211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 343401211 is about 18531.0876906889. The cubic root of 343401211 is about 700.2728263047.

Adding to 343401211 its reverse (112104343), we get a palindrome (455505554).

The spelling of 343401211 in words is "three hundred forty-three million, four hundred one thousand, two hundred eleven".