343342213 has 4 divisors (see below), whose sum is σ = 343516140. Its totient is φ = 343168288.

The previous prime is 343342187. The next prime is 343342247. The reversal of 343342213 is 312243343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312243343 = 127 ⋅2458609.

It can be written as a sum of positive squares in 2 ways, for example, as 11847364 + 331494849 = 3442^2 + 18207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343342213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343342283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83968 + ... + 87961.

It is an arithmetic number, because the mean of its divisors is an integer number (85879035).

Almost surely, 2^343342213 is an apocalyptic number.

It is an amenable number.

343342213 is a deficient number, since it is larger than the sum of its proper divisors (173927).

343342213 is a wasteful number, since it uses less digits than its factorization.

343342213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173926.

The product of its digits is 5184, while the sum is 25.

The square root of 343342213 is about 18529.4957567658. The cubic root of 343342213 is about 700.2327205808.

Adding to 343342213 its reverse (312243343), we get a palindrome (655585556).

The spelling of 343342213 in words is "three hundred forty-three million, three hundred forty-two thousand, two hundred thirteen".