1313201330323 has 4 divisors (see below), whose sum is σ = 1337978713968. Its totient is φ = 1288423946680.

The previous prime is 1313201330317. The next prime is 1313201330327. The reversal of 1313201330323 is 3230331023131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313201330323 - 2¹³ = 1313201322131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313201330327) 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, 12388691743 + ... + 12388691848.

It is an arithmetic number, because the mean of its divisors is an integer number (334494678492).

Almost surely, 2^{1313201330323} is an apocalyptic number.

1313201330323 is a deficient number, since it is larger than the sum of its proper divisors (24777383645).

1313201330323 is an equidigital number, since it uses as much as digits as its factorization.

1313201330323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24777383644.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1313201330323 its reverse (3230331023131), we get a palindrome (4543532353454).

It can be divided in two parts, 1313201 and 330323, that added together give a square (1643524 = 1282²).

The spelling of 1313201330323 in words is "one trillion, three hundred thirteen billion, two hundred one million, three hundred thirty thousand, three hundred twenty-three".