43304431012 has 6 divisors (see below), whose sum is σ = 75782754278. Its totient is φ = 21652215504.

The previous prime is 43304431003. The next prime is 43304431067. The reversal of 43304431012 is 21013440334.

It can be written as a sum of positive squares in only one way, i.e., 27108305316 + 16196125696 = 164646^2 + 127264^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5413053873 + ... + 5413053880.

Almost surely, 2^43304431012 is an apocalyptic number.

It is an amenable number.

43304431012 is a deficient number, since it is larger than the sum of its proper divisors (32478323266).

43304431012 is a wasteful number, since it uses less digits than its factorization.

43304431012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10826107757 (or 10826107755 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 43304431012 its reverse (21013440334), we get a palindrome (64317871346).

The spelling of 43304431012 in words is "forty-three billion, three hundred four million, four hundred thirty-one thousand, twelve".