2213201311 has 4 divisors (see below), whose sum is σ = 2216622672. Its totient is φ = 2209779952.

The previous prime is 2213201303. The next prime is 2213201317. The reversal of 2213201311 is 1131023122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2213201311 - 2³ = 2213201303 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 (2213201317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709710 + ... + 1711003.

It is an arithmetic number, because the mean of its divisors is an integer number (554155668).

Almost surely, 2^2213201311 is an apocalyptic number.

2213201311 is a deficient number, since it is larger than the sum of its proper divisors (3421361).

2213201311 is an equidigital number, since it uses as much as digits as its factorization.

2213201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421360.

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

The square root of 2213201311 is about 47044.6735667280. The cubic root of 2213201311 is about 1303.1877019679.

Adding to 2213201311 its reverse (1131023122), we get a palindrome (3344224433).

The spelling of 2213201311 in words is "two billion, two hundred thirteen million, two hundred one thousand, three hundred eleven".