320210311973 has 2 divisors, whose sum is σ = 320210311974. Its totient is φ = 320210311972.

The previous prime is 320210311937. The next prime is 320210311991. The reversal of 320210311973 is 379113012023.

Together with previous prime (320210311937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184021266529 + 136189045444 = 428977^2 + 369038^2 .

It is a cyclic number.

It is not a de Polignac number, because 320210311973 - 2¹⁴ = 320210295589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320210311913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160105155986 + 160105155987.

It is an arithmetic number, because the mean of its divisors is an integer number (160105155987).

Almost surely, 2^320210311973 is an apocalyptic number.

It is an amenable number.

320210311973 is a deficient number, since it is larger than the sum of its proper divisors (1).

320210311973 is an equidigital number, since it uses as much as digits as its factorization.

320210311973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

Adding to 320210311973 its reverse (379113012023), we get a palindrome (699323323996).

The spelling of 320210311973 in words is "three hundred twenty billion, two hundred ten million, three hundred eleven thousand, nine hundred seventy-three".