320313132289 has 2 divisors, whose sum is σ = 320313132290. Its totient is φ = 320313132288.

The previous prime is 320313132281. The next prime is 320313132299. The reversal of 320313132289 is 982231313023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238640066064 + 81673066225 = 488508^2 + 285785^2 .

It is a cyclic number.

It is not a de Polignac number, because 320313132289 - 2³ = 320313132281 is a prime.

It is not a weakly prime, because it can be changed into another prime (320313132281) 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, 160156566144 + 160156566145.

It is an arithmetic number, because the mean of its divisors is an integer number (160156566145).

Almost surely, 2^320313132289 is an apocalyptic number.

It is an amenable number.

320313132289 is a deficient number, since it is larger than the sum of its proper divisors (1).

320313132289 is an equidigital number, since it uses as much as digits as its factorization.

320313132289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 320313132289 in words is "three hundred twenty billion, three hundred thirteen million, one hundred thirty-two thousand, two hundred eighty-nine".