1323303301313 has 4 divisors (see below), whose sum is σ = 1512346630080. Its totient is φ = 1134259972548.

The previous prime is 1323303301273. The next prime is 1323303301319. The reversal of 1323303301313 is 3131033033231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1323303301313 - 2¹⁰ = 1323303300289 is a prime.

It is a super-2 number, since 2×1323303301313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323303301319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94521664373 + ... + 94521664386.

It is an arithmetic number, because the mean of its divisors is an integer number (378086657520).

Almost surely, 2^{1323303301313} is an apocalyptic number.

It is an amenable number.

1323303301313 is a deficient number, since it is larger than the sum of its proper divisors (189043328767).

1323303301313 is an equidigital number, since it uses as much as digits as its factorization.

1323303301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189043328766.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 1323303301313 its reverse (3131033033231), we get a palindrome (4454336334544).

The spelling of 1323303301313 in words is "one trillion, three hundred twenty-three billion, three hundred three million, three hundred one thousand, three hundred thirteen".