343040211 has 16 divisors (see below), whose sum is σ = 511257600. Its totient is φ = 227321064.

The previous prime is 343040179. The next prime is 343040273. The reversal of 343040211 is 112040343.

It is not a de Polignac number, because 343040211 - 2⁵ = 343040179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343040311) 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 15 ways as a sum of consecutive naturals, for example, 33531 + ... + 42548.

It is an arithmetic number, because the mean of its divisors is an integer number (31953600).

Almost surely, 2^343040211 is an apocalyptic number.

343040211 is a deficient number, since it is larger than the sum of its proper divisors (168217389).

343040211 is a wasteful number, since it uses less digits than its factorization.

343040211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76255 (or 76249 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 343040211 is about 18521.3447405959. The cubic root of 343040211 is about 700.0273533529.

Adding to 343040211 its reverse (112040343), we get a palindrome (455080554).

The spelling of 343040211 in words is "three hundred forty-three million, forty thousand, two hundred eleven".