322320321313 has 2 divisors, whose sum is σ = 322320321314.
Its totient is φ = 322320321312.
The previous prime is 322320321307. The next prime is 322320321353. The reversal of 322320321313 is 313123023223.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 172414291984 + 149906029329 = 415228^2 + 387177^2
It is a cyclic number.
It is not a de Polignac number, because 322320321313 - 29 = 322320320801 is a prime.
It is not a weakly prime, because it can be changed into another prime (322320321353) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161160160656 + 161160160657.
It is an arithmetic number, because the mean of its divisors is an integer number (161160160657).
Almost surely, 2322320321313 is an apocalyptic number.
It is an amenable number.
322320321313 is a deficient number, since it is larger than the sum of its proper divisors (1).
322320321313 is an equidigital number, since it uses as much as digits as its factorization.
322320321313 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 322320321313 its reverse (313123023223), we get a palindrome (635443344536).
The spelling of 322320321313 in words is "three hundred twenty-two billion, three hundred twenty million, three hundred twenty-one thousand, three hundred thirteen".