2243312131 has 4 divisors (see below), whose sum is σ = 2270340072. Its totient is φ = 2216284192.

The previous prime is 2243312063. The next prime is 2243312191. The reversal of 2243312131 is 1312133422.

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 2243312131 - 2¹³ = 2243303939 is a prime.

It is a super-2 number, since 2×2243312131² = 10064898634183522322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243312191) 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, 13513846 + ... + 13514011.

It is an arithmetic number, because the mean of its divisors is an integer number (567585018).

Almost surely, 2^2243312131 is an apocalyptic number.

2243312131 is a deficient number, since it is larger than the sum of its proper divisors (27027941).

2243312131 is an equidigital number, since it uses as much as digits as its factorization.

2243312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27027940.

The product of its digits is 864, while the sum is 22.

The square root of 2243312131 is about 47363.6161098369. The cubic root of 2243312131 is about 1309.0710993485.

Adding to 2243312131 its reverse (1312133422), we get a palindrome (3555445553).

The spelling of 2243312131 in words is "two billion, two hundred forty-three million, three hundred twelve thousand, one hundred thirty-one".