1321313300213 has 8 divisors (see below), whose sum is σ = 1323673211520. Its totient is φ = 1318954684320.

The previous prime is 1321313300137. The next prime is 1321313300239. The reversal of 1321313300213 is 3120033131231.

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 1321313300213 - 2¹⁶ = 1321313234677 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 (1321313300113) 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, 1729556 + ... + 2373602.

It is an arithmetic number, because the mean of its divisors is an integer number (165459151440).

Almost surely, 2^{1321313300213} is an apocalyptic number.

It is an amenable number.

1321313300213 is a deficient number, since it is larger than the sum of its proper divisors (2359911307).

1321313300213 is an equidigital number, since it uses as much as digits as its factorization.

1321313300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647707.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1321313300213 its reverse (3120033131231), we get a palindrome (4441346431444).

The spelling of 1321313300213 in words is "one trillion, three hundred twenty-one billion, three hundred thirteen million, three hundred thousand, two hundred thirteen".