1313322311213 has 24 divisors (see below), whose sum is σ = 1475402318208. Its totient is φ = 1158696152000.

The previous prime is 1313322311201. The next prime is 1313322311227. The reversal of 1313322311213 is 3121132233131.

It is not a de Polignac number, because 1313322311213 - 2²⁰ = 1313321262637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313322311293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16413020 + ... + 16492842.

It is an arithmetic number, because the mean of its divisors is an integer number (61475096592).

Almost surely, 2^{1313322311213} is an apocalyptic number.

It is an amenable number.

1313322311213 is a deficient number, since it is larger than the sum of its proper divisors (162080006995).

1313322311213 is an equidigital number, since it uses as much as digits as its factorization.

1313322311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80257 (or 80066 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

Adding to 1313322311213 its reverse (3121132233131), we get a palindrome (4434454544344).

The spelling of 1313322311213 in words is "one trillion, three hundred thirteen billion, three hundred twenty-two million, three hundred eleven thousand, two hundred thirteen".