213311320013 has 16 divisors (see below), whose sum is σ = 240687562752. Its totient is φ = 187290678000.

The previous prime is 213311319979. The next prime is 213311320031. The reversal of 213311320013 is 310023113312.

It is a cyclic number.

It is not a de Polignac number, because 213311320013 - 2¹⁴ = 213311303629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213311323013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450293 + ... + 793338.

It is an arithmetic number, because the mean of its divisors is an integer number (15042972672).

Almost surely, 2^213311320013 is an apocalyptic number.

It is an amenable number.

213311320013 is a deficient number, since it is larger than the sum of its proper divisors (27376242739).

213311320013 is a wasteful number, since it uses less digits than its factorization.

213311320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244176.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213311320013 its reverse (310023113312), we get a palindrome (523334433325).

The spelling of 213311320013 in words is "two hundred thirteen billion, three hundred eleven million, three hundred twenty thousand, thirteen".