343140211 has 8 divisors (see below), whose sum is σ = 345101904. Its totient is φ = 341184480.

The previous prime is 343140199. The next prime is 343140251. The reversal of 343140211 is 112041343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343140211 - 2²⁵ = 309585779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343140251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159201 + ... + 161341.

It is an arithmetic number, because the mean of its divisors is an integer number (43137738).

Almost surely, 2^343140211 is an apocalyptic number.

343140211 is a deficient number, since it is larger than the sum of its proper divisors (1961693).

343140211 is a wasteful number, since it uses less digits than its factorization.

343140211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981.

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

The square root of 343140211 is about 18524.0441318844. The cubic root of 343140211 is about 700.0953686390.

Adding to 343140211 its reverse (112041343), we get a palindrome (455181554).

The spelling of 343140211 in words is "three hundred forty-three million, one hundred forty thousand, two hundred eleven".