320321223013189 has 2 divisors, whose sum is σ = 320321223013190. Its totient is φ = 320321223013188.

The previous prime is 320321223013111. The next prime is 320321223013219. The reversal of 320321223013189 is 981310322123023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243449396208225 + 76871826804964 = 15602865^2 + 8767658^2 .

It is a cyclic number.

It is not a de Polignac number, because 320321223013189 - 2¹³ = 320321223004997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320321223013489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160160611506594 + 160160611506595.

It is an arithmetic number, because the mean of its divisors is an integer number (160160611506595).

Almost surely, 2^{320321223013189} is an apocalyptic number.

It is an amenable number.

320321223013189 is a deficient number, since it is larger than the sum of its proper divisors (1).

320321223013189 is an equidigital number, since it uses as much as digits as its factorization.

320321223013189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 320321223013189 in words is "three hundred twenty trillion, three hundred twenty-one billion, two hundred twenty-three million, thirteen thousand, one hundred eighty-nine".