2243431306 has 8 divisors (see below), whose sum is σ = 3371838624. Its totient is φ = 1119485100.

The previous prime is 2243431273. The next prime is 2243431313. The reversal of 2243431306 is 6031343422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1114020 + ... + 1116031.

It is an arithmetic number, because the mean of its divisors is an integer number (421479828).

Almost surely, 2^2243431306 is an apocalyptic number.

2243431306 is a deficient number, since it is larger than the sum of its proper divisors (1128407318).

2243431306 is a wasteful number, since it uses less digits than its factorization.

2243431306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230556.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 2243431306 is about 47364.8741790792. The cubic root of 2243431306 is about 1309.0942802192.

Adding to 2243431306 its reverse (6031343422), we get a palindrome (8274774728).

The spelling of 2243431306 in words is "two billion, two hundred forty-three million, four hundred thirty-one thousand, three hundred six".