320003220091 has 2 divisors, whose sum is σ = 320003220092. Its totient is φ = 320003220090.

The previous prime is 320003220083. The next prime is 320003220101. The reversal of 320003220091 is 190022300023.

It is a weak prime.

It is an emirp because it is prime and its reverse (190022300023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320003220091 - 2³ = 320003220083 is a prime.

It is not a weakly prime, because it can be changed into another prime (320003226091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160001610045 + 160001610046.

It is an arithmetic number, because the mean of its divisors is an integer number (160001610046).

Almost surely, 2^320003220091 is an apocalyptic number.

320003220091 is a deficient number, since it is larger than the sum of its proper divisors (1).

320003220091 is an equidigital number, since it uses as much as digits as its factorization.

320003220091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 320003220091 in words is "three hundred twenty billion, three million, two hundred twenty thousand, ninety-one".