320343034213 has 2 divisors, whose sum is σ = 320343034214. Its totient is φ = 320343034212.

The previous prime is 320343034127. The next prime is 320343034223. The reversal of 320343034213 is 312430343023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296738399169 + 23604635044 = 544737^2 + 153638^2 .

It is a cyclic number.

It is not a de Polignac number, because 320343034213 - 2¹⁷ = 320342903141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320343034223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160171517106 + 160171517107.

It is an arithmetic number, because the mean of its divisors is an integer number (160171517107).

Almost surely, 2^320343034213 is an apocalyptic number.

It is an amenable number.

320343034213 is a deficient number, since it is larger than the sum of its proper divisors (1).

320343034213 is an equidigital number, since it uses as much as digits as its factorization.

320343034213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 320343034213 its reverse (312430343023), we get a palindrome (632773377236).

The spelling of 320343034213 in words is "three hundred twenty billion, three hundred forty-three million, thirty-four thousand, two hundred thirteen".