1323022203281 has 2 divisors, whose sum is σ = 1323022203282. Its totient is φ = 1323022203280.

The previous prime is 1323022203227. The next prime is 1323022203289. The reversal of 1323022203281 is 1823022203231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1322534500225 + 487703056 = 1150015^2 + 22084^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323022203281 - 2³⁸ = 1048144296337 is a prime.

It is a super-2 number, since 2×1323022203281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1323022203289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661511101640 + 661511101641.

It is an arithmetic number, because the mean of its divisors is an integer number (661511101641).

Almost surely, 2^{1323022203281} is an apocalyptic number.

It is an amenable number.

1323022203281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323022203281 is an equidigital number, since it uses as much as digits as its factorization.

1323022203281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 1323022203281 in words is "one trillion, three hundred twenty-three billion, twenty-two million, two hundred three thousand, two hundred eighty-one".