1321311300013 has 8 divisors (see below), whose sum is σ = 1324408963968. Its totient is φ = 1318217259504.

The previous prime is 1321311299983. The next prime is 1321311300059. The reversal of 1321311300013 is 3100031131231.

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

It is a cyclic number.

It is not a de Polignac number, because 1321311300013 - 2²⁹ = 1320774429101 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 (1321311307013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175006 + ... + 1635007.

It is an arithmetic number, because the mean of its divisors is an integer number (165551120496).

Almost surely, 2^{1321311300013} is an apocalyptic number.

It is an amenable number.

1321311300013 is a deficient number, since it is larger than the sum of its proper divisors (3097663955).

1321311300013 is an equidigital number, since it uses as much as digits as its factorization.

1321311300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811723.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1321311300013 its reverse (3100031131231), we get a palindrome (4421342431244).

The spelling of 1321311300013 in words is "one trillion, three hundred twenty-one billion, three hundred eleven million, three hundred thousand, thirteen".