1313322220313 has 4 divisors (see below), whose sum is σ = 1313344781328. Its totient is φ = 1313299659300.

The previous prime is 1313322220307. The next prime is 1313322220351. The reversal of 1313322220313 is 3130222233131.

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 1313322220313 - 2⁸ = 1313322220057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313322220363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11192963 + ... + 11309688.

It is an arithmetic number, because the mean of its divisors is an integer number (328336195332).

Almost surely, 2^{1313322220313} is an apocalyptic number.

It is an amenable number.

1313322220313 is a deficient number, since it is larger than the sum of its proper divisors (22561015).

1313322220313 is an equidigital number, since it uses as much as digits as its factorization.

1313322220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22561014.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1313322220313 its reverse (3130222233131), we get a palindrome (4443544453444).

The spelling of 1313322220313 in words is "one trillion, three hundred thirteen billion, three hundred twenty-two million, two hundred twenty thousand, three hundred thirteen".