343212319 has 2 divisors, whose sum is σ = 343212320. Its totient is φ = 343212318.

The previous prime is 343212307. The next prime is 343212323. The reversal of 343212319 is 913212343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343212319 - 2⁹ = 343211807 is a prime.

It is a super-2 number, since 2×343212319² = 235589391826715522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343212329) 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 as a sum of consecutive naturals, namely, 171606159 + 171606160.

It is an arithmetic number, because the mean of its divisors is an integer number (171606160).

Almost surely, 2^343212319 is an apocalyptic number.

343212319 is a deficient number, since it is larger than the sum of its proper divisors (1).

343212319 is an equidigital number, since it uses as much as digits as its factorization.

343212319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 343212319 is about 18525.9903648901. The cubic root of 343212319 is about 700.1444049021.

It can be divided in two parts, 3432 and 12319, that added together give a palindrome (15751).

The spelling of 343212319 in words is "three hundred forty-three million, two hundred twelve thousand, three hundred nineteen".