320213323393 has 2 divisors, whose sum is σ = 320213323394. Its totient is φ = 320213323392.

The previous prime is 320213323307. The next prime is 320213323403. The reversal of 320213323393 is 393323312023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296869150449 + 23344172944 = 544857^2 + 152788^2 .

It is a cyclic number.

It is not a de Polignac number, because 320213323393 - 2³³ = 311623388801 is a prime.

It is not a weakly prime, because it can be changed into another prime (320213323303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160106661696 + 160106661697.

It is an arithmetic number, because the mean of its divisors is an integer number (160106661697).

Almost surely, 2^320213323393 is an apocalyptic number.

It is an amenable number.

320213323393 is a deficient number, since it is larger than the sum of its proper divisors (1).

320213323393 is an equidigital number, since it uses as much as digits as its factorization.

320213323393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 34.

The spelling of 320213323393 in words is "three hundred twenty billion, two hundred thirteen million, three hundred twenty-three thousand, three hundred ninety-three".