2201311 has 8 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 1868568.

The previous prime is 2201293. The next prime is 2201317. The reversal of 2201311 is 1131022.

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 2201311 - 2⁷ = 2201183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721 + ... + 2218.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

2^2201311 is an apocalyptic number.

2201311 is a deficient number, since it is larger than the sum of its proper divisors (338849).

2201311 is a wasteful number, since it uses less digits than its factorization.

2201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2201311 is about 1483.6815696099. The cubic root of 2201311 is about 130.0849740307.

Adding to 2201311 its reverse (1131022), we get a palindrome (3332333).

It can be divided in two parts, 220 and 1311, that multiplied together give a triangular number (288420 = T₇₅₉).

The spelling of 2201311 in words is "two million, two hundred one thousand, three hundred eleven".