1323001321313 has 16 divisors (see below), whose sum is σ = 1515965592960. Its totient is φ = 1131029053056.

The previous prime is 1323001321303. The next prime is 1323001321321. The reversal of 1323001321313 is 3131231003231.

It is not a de Polignac number, because 1323001321313 - 2⁴ = 1323001321297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1323001321303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17521106 + ... + 17596452.

It is an arithmetic number, because the mean of its divisors is an integer number (94747849560).

Almost surely, 2^{1323001321313} is an apocalyptic number.

It is an amenable number.

1323001321313 is a deficient number, since it is larger than the sum of its proper divisors (192964271647).

1323001321313 is an equidigital number, since it uses as much as digits as its factorization.

1323001321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81896.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1323001321313 its reverse (3131231003231), we get a palindrome (4454232324544).

The spelling of 1323001321313 in words is "one trillion, three hundred twenty-three billion, one million, three hundred twenty-one thousand, three hundred thirteen".