1323100322281 has 2 divisors, whose sum is σ = 1323100322282. Its totient is φ = 1323100322280.

The previous prime is 1323100322261. The next prime is 1323100322317. The reversal of 1323100322281 is 1822230013231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677190743056 + 645909579225 = 822916^2 + 803685^2 .

It is an emirp because it is prime and its reverse (1822230013231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323100322281 - 2³⁷ = 1185661368809 is a prime.

It is a super-2 number, since 2×1323100322281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1323100322261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661550161140 + 661550161141.

It is an arithmetic number, because the mean of its divisors is an integer number (661550161141).

Almost surely, 2^{1323100322281} is an apocalyptic number.

It is an amenable number.

1323100322281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323100322281 is an equidigital number, since it uses as much as digits as its factorization.

1323100322281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 1323100322281 in words is "one trillion, three hundred twenty-three billion, one hundred million, three hundred twenty-two thousand, two hundred eighty-one".