1313303222013 has 4 divisors (see below), whose sum is σ = 1751070962688. Its totient is φ = 875535481340.

The previous prime is 1313303221999. The next prime is 1313303222027. The reversal of 1313303222013 is 3102223033131.

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 an interprime number because it is at equal distance from previous prime (1313303221999) and next prime (1313303222027).

It is a cyclic number.

It is not a de Polignac number, because 1313303222013 - 2¹² = 1313303217917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313303226013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218883870333 + ... + 218883870338.

It is an arithmetic number, because the mean of its divisors is an integer number (437767740672).

Almost surely, 2^{1313303222013} is an apocalyptic number.

It is an amenable number.

1313303222013 is a deficient number, since it is larger than the sum of its proper divisors (437767740675).

1313303222013 is an equidigital number, since it uses as much as digits as its factorization.

1313303222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437767740674.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1313303222013 its reverse (3102223033131), we get a palindrome (4415526255144).

The spelling of 1313303222013 in words is "one trillion, three hundred thirteen billion, three hundred three million, two hundred twenty-two thousand, thirteen".