2013211321 has 16 divisors (see below), whose sum is σ = 2294857728. Its totient is φ = 1748221200.

The previous prime is 2013211309. The next prime is 2013211337. The reversal of 2013211321 is 1231123102.

It is not a de Polignac number, because 2013211321 - 2⁵ = 2013211289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013211295 and 2013211304.

It is not an unprimeable number, because it can be changed into a prime (2013211351) 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, 194056 + ... + 204166.

It is an arithmetic number, because the mean of its divisors is an integer number (143428608).

Almost surely, 2^2013211321 is an apocalyptic number.

It is an amenable number.

2013211321 is a deficient number, since it is larger than the sum of its proper divisors (281646407).

2013211321 is a wasteful number, since it uses less digits than its factorization.

2013211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2013211321 is about 44868.8234858014. The cubic root of 2013211321 is about 1262.6891673021.

Adding to 2013211321 its reverse (1231123102), we get a palindrome (3244334423).

The spelling of 2013211321 in words is "two billion, thirteen million, two hundred eleven thousand, three hundred twenty-one".