2213531306 has 16 divisors (see below), whose sum is σ = 3795345024. Its totient is φ = 948476304.

The previous prime is 2213531303. The next prime is 2213531311. The reversal of 2213531306 is 6031353122.

It is not an unprimeable number, because it can be changed into a prime (2213531303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83936 + ... + 107108.

It is an arithmetic number, because the mean of its divisors is an integer number (237209064).

Almost surely, 2^2213531306 is an apocalyptic number.

2213531306 is a deficient number, since it is larger than the sum of its proper divisors (1581813718).

2213531306 is a wasteful number, since it uses less digits than its factorization.

2213531306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30005.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2213531306 is about 47048.1806874612. The cubic root of 2213531306 is about 1303.2524684899.

Adding to 2213531306 its reverse (6031353122), we get a palindrome (8244884428).

The spelling of 2213531306 in words is "two billion, two hundred thirteen million, five hundred thirty-one thousand, three hundred six".