1320322320133 has 2 divisors, whose sum is σ = 1320322320134. Its totient is φ = 1320322320132.

The previous prime is 1320322320101. The next prime is 1320322320137. The reversal of 1320322320133 is 3310232230231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823942890369 + 496379429764 = 907713^2 + 704542^2 .

It is an emirp because it is prime and its reverse (3310232230231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320322320133 - 2⁵ = 1320322320101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320322320098 and 1320322320107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320322320137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660161160066 + 660161160067.

It is an arithmetic number, because the mean of its divisors is an integer number (660161160067).

Almost surely, 2^{1320322320133} is an apocalyptic number.

It is an amenable number.

1320322320133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320322320133 is an equidigital number, since it uses as much as digits as its factorization.

1320322320133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1320322320133 its reverse (3310232230231), we get a palindrome (4630554550364).

The spelling of 1320322320133 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, three hundred twenty thousand, one hundred thirty-three".