320200212281 has 2 divisors, whose sum is σ = 320200212282. Its totient is φ = 320200212280.

The previous prime is 320200212271. The next prime is 320200212359. The reversal of 320200212281 is 182212002023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204205475881 + 115994736400 = 451891^2 + 340580^2 .

It is a cyclic number.

It is not a de Polignac number, because 320200212281 - 2¹⁸ = 320199950137 is a prime.

It is a super-2 number, since 2×320200212281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320200212271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160100106140 + 160100106141.

It is an arithmetic number, because the mean of its divisors is an integer number (160100106141).

Almost surely, 2^320200212281 is an apocalyptic number.

It is an amenable number.

320200212281 is a deficient number, since it is larger than the sum of its proper divisors (1).

320200212281 is an equidigital number, since it uses as much as digits as its factorization.

320200212281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 320200212281 in words is "three hundred twenty billion, two hundred million, two hundred twelve thousand, two hundred eighty-one".