343224311 has 4 divisors (see below), whose sum is σ = 343493112. Its totient is φ = 342955512.

The previous prime is 343224307. The next prime is 343224337. The reversal of 343224311 is 113422343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113422343 = 19 ⋅5969597.

It is a cyclic number.

It is not a de Polignac number, because 343224311 - 2² = 343224307 is a prime.

It is a super-2 number, since 2×343224311² = 235605855322849442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343224391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132476 + ... + 135041.

It is an arithmetic number, because the mean of its divisors is an integer number (85873278).

Almost surely, 2^343224311 is an apocalyptic number.

343224311 is a deficient number, since it is larger than the sum of its proper divisors (268801).

343224311 is a wasteful number, since it uses less digits than its factorization.

343224311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268800.

The product of its digits is 1728, while the sum is 23.

The square root of 343224311 is about 18526.3140154754. The cubic root of 343224311 is about 700.1525592655.

Adding to 343224311 its reverse (113422343), we get a palindrome (456646654).

The spelling of 343224311 in words is "three hundred forty-three million, two hundred twenty-four thousand, three hundred eleven".