320303213228137 has 2 divisors, whose sum is σ = 320303213228138. Its totient is φ = 320303213228136.

The previous prime is 320303213228111. The next prime is 320303213228143. The reversal of 320303213228137 is 731822312303023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319411994154201 + 891219073936 = 17872101^2 + 944044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320303213228137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320303213228137.

It is not a weakly prime, because it can be changed into another prime (320303213228437) 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, 160151606614068 + 160151606614069.

It is an arithmetic number, because the mean of its divisors is an integer number (160151606614069).

Almost surely, 2^{320303213228137} is an apocalyptic number.

It is an amenable number.

320303213228137 is a deficient number, since it is larger than the sum of its proper divisors (1).

320303213228137 is an equidigital number, since it uses as much as digits as its factorization.

320303213228137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 320303213228137 in words is "three hundred twenty trillion, three hundred three billion, two hundred thirteen million, two hundred twenty-eight thousand, one hundred thirty-seven".