343411213 has 4 divisors (see below), whose sum is σ = 344848320. Its totient is φ = 341974108.

The previous prime is 343411207. The next prime is 343411231. The reversal of 343411213 is 312114343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312114343 = 4673 ⋅66791.

It is a cyclic number.

It is not a de Polignac number, because 343411213 - 2⁹ = 343410701 is a prime.

It is a super-2 number, since 2×343411213² = 235862522428262738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343417213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718195 + ... + 718672.

It is an arithmetic number, because the mean of its divisors is an integer number (86212080).

Almost surely, 2^343411213 is an apocalyptic number.

It is an amenable number.

343411213 is a deficient number, since it is larger than the sum of its proper divisors (1437107).

343411213 is a wasteful number, since it uses less digits than its factorization.

343411213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437106.

The product of its digits is 864, while the sum is 22.

The square root of 343411213 is about 18531.3575595529. The cubic root of 343411213 is about 700.2796250196.

Adding to 343411213 its reverse (312114343), we get a palindrome (655525556).

The spelling of 343411213 in words is "three hundred forty-three million, four hundred eleven thousand, two hundred thirteen".