320213030311289 has 2 divisors, whose sum is σ = 320213030311290. Its totient is φ = 320213030311288.

The previous prime is 320213030311253. The next prime is 320213030311393. The reversal of 320213030311289 is 982113030312023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290941521912064 + 29271508399225 = 17057008^2 + 5410315^2 .

It is a cyclic number.

It is not a de Polignac number, because 320213030311289 - 2²⁸ = 320212761875833 is a prime.

It is a super-2 number, since 2×320213030311289² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320213030313289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160106515155644 + 160106515155645.

It is an arithmetic number, because the mean of its divisors is an integer number (160106515155645).

Almost surely, 2^{320213030311289} is an apocalyptic number.

It is an amenable number.

320213030311289 is a deficient number, since it is larger than the sum of its proper divisors (1).

320213030311289 is an equidigital number, since it uses as much as digits as its factorization.

320213030311289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 320213030311289 in words is "three hundred twenty trillion, two hundred thirteen billion, thirty million, three hundred eleven thousand, two hundred eighty-nine".