2243201311 has 4 divisors (see below), whose sum is σ = 2415755272. Its totient is φ = 2070647352.

The previous prime is 2243201267. The next prime is 2243201327. The reversal of 2243201311 is 1131023422.

It is a happy number.

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 2243201311 - 2³¹ = 95717663 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 (2243201371) 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, 86276961 + ... + 86276986.

It is an arithmetic number, because the mean of its divisors is an integer number (603938818).

Almost surely, 2^2243201311 is an apocalyptic number.

2243201311 is a deficient number, since it is larger than the sum of its proper divisors (172553961).

2243201311 is a wasteful number, since it uses less digits than its factorization.

2243201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172553960.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2243201311 is about 47362.4462100513. The cubic root of 2243201311 is about 1309.0495428820.

Adding to 2243201311 its reverse (1131023422), we get a palindrome (3374224733).

The spelling of 2243201311 in words is "two billion, two hundred forty-three million, two hundred one thousand, three hundred eleven".