343102211 has 4 divisors (see below), whose sum is σ = 363284712. Its totient is φ = 322919712.

The previous prime is 343102183. The next prime is 343102229. The reversal of 343102211 is 112201343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343102211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 20182483 = 343102211 / (3 + 4 + 3 + 1 + 0 + 2 + 2 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343102211.

It is not an unprimeable number, because it can be changed into a prime (343102261) 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, 10091225 + ... + 10091258.

It is an arithmetic number, because the mean of its divisors is an integer number (90821178).

Almost surely, 2^343102211 is an apocalyptic number.

343102211 is a deficient number, since it is larger than the sum of its proper divisors (20182501).

343102211 is a wasteful number, since it uses less digits than its factorization.

343102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182500.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 343102211 is about 18523.0184095357. The cubic root of 343102211 is about 700.0695243871.

Adding to 343102211 its reverse (112201343), we get a palindrome (455303554).

The spelling of 343102211 in words is "three hundred forty-three million, one hundred two thousand, two hundred eleven".