1321030032193 has 2 divisors, whose sum is σ = 1321030032194. Its totient is φ = 1321030032192.

The previous prime is 1321030032187. The next prime is 1321030032221. The reversal of 1321030032193 is 3912300301231.

It is an a-pointer prime, because the next prime (1321030032221) can be obtained adding 1321030032193 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1292059609344 + 28970422849 = 1136688^2 + 170207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1321030032193 - 2⁹ = 1321030031681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1321030032143) 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, 660515016096 + 660515016097.

It is an arithmetic number, because the mean of its divisors is an integer number (660515016097).

Almost surely, 2^{1321030032193} is an apocalyptic number.

It is an amenable number.

1321030032193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321030032193 is an equidigital number, since it uses as much as digits as its factorization.

1321030032193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 1321030032193 in words is "one trillion, three hundred twenty-one billion, thirty million, thirty-two thousand, one hundred ninety-three".