320010201281 has 2 divisors, whose sum is σ = 320010201282. Its totient is φ = 320010201280.

The previous prime is 320010201223. The next prime is 320010201311. The reversal of 320010201281 is 182102010023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226560768256 + 93449433025 = 475984^2 + 305695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320010201281 is a prime.

It is a super-2 number, since 2×320010201281² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (320010200281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160005100640 + 160005100641.

It is an arithmetic number, because the mean of its divisors is an integer number (160005100641).

Almost surely, 2^320010201281 is an apocalyptic number.

It is an amenable number.

320010201281 is a deficient number, since it is larger than the sum of its proper divisors (1).

320010201281 is an equidigital number, since it uses as much as digits as its factorization.

320010201281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The spelling of 320010201281 in words is "three hundred twenty billion, ten million, two hundred one thousand, two hundred eighty-one".