1320001320313 has 24 divisors (see below), whose sum is σ = 1510309910592. Its totient is φ = 1146612897024.

The previous prime is 1320001320263. The next prime is 1320001320353. The reversal of 1320001320313 is 3130231000231.

It is not a de Polignac number, because 1320001320313 - 2⁹ = 1320001319801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320001320353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28556406 + ... + 28602592.

It is an arithmetic number, because the mean of its divisors is an integer number (62929579608).

Almost surely, 2^{1320001320313} is an apocalyptic number.

1320001320313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1320001320313 is a deficient number, since it is larger than the sum of its proper divisors (190308590279).

1320001320313 is a wasteful number, since it uses less digits than its factorization.

1320001320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53841 (or 53824 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1320001320313 its reverse (3130231000231), we get a palindrome (4450232320544).

The spelling of 1320001320313 in words is "one trillion, three hundred twenty billion, one million, three hundred twenty thousand, three hundred thirteen".