343213133213 has 2 divisors, whose sum is σ = 343213133214. Its totient is φ = 343213133212.

The previous prime is 343213133167. The next prime is 343213133257. The reversal of 343213133213 is 312331312343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286890926884 + 56322206329 = 535622^2 + 237323^2 .

It is a cyclic number.

It is not a de Polignac number, because 343213133213 - 2⁶ = 343213133149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343210133213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171606566606 + 171606566607.

It is an arithmetic number, because the mean of its divisors is an integer number (171606566607).

Almost surely, 2^343213133213 is an apocalyptic number.

It is an amenable number.

343213133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

343213133213 is an equidigital number, since it uses as much as digits as its factorization.

343213133213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 29.

Adding to 343213133213 its reverse (312331312343), we get a palindrome (655544445556).

The spelling of 343213133213 in words is "three hundred forty-three billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred thirteen".