1310321311213 has 8 divisors (see below), whose sum is σ = 1410143283000. Its totient is φ = 1213026478080.

The previous prime is 1310321311109. The next prime is 1310321311217. The reversal of 1310321311213 is 3121131230131.

It can be written as a sum of positive squares in 4 ways, for example, as 10406652169 + 1299914659044 = 102013^2 + 1140138^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310321311213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310321311217) 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 7 ways as a sum of consecutive naturals, for example, 631783588 + ... + 631785661.

It is an arithmetic number, because the mean of its divisors is an integer number (176267910375).

Almost surely, 2^{1310321311213} is an apocalyptic number.

It is an amenable number.

1310321311213 is a deficient number, since it is larger than the sum of its proper divisors (99821971787).

1310321311213 is a wasteful number, since it uses less digits than its factorization.

1310321311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263569327.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1310321311213 its reverse (3121131230131), we get a palindrome (4431452541344).

The spelling of 1310321311213 in words is "one trillion, three hundred ten billion, three hundred twenty-one million, three hundred eleven thousand, two hundred thirteen".