43431343304 has 8 divisors (see below), whose sum is σ = 81433768710. Its totient is φ = 21715671648.

The previous prime is 43431343303. The next prime is 43431343321. The reversal of 43431343304 is 40334313434.

It can be written as a sum of positive squares in only one way, i.e., 35232040804 + 8199302500 = 187702^2 + 90550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (43431343303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2714458949 + ... + 2714458964.

Almost surely, 2^43431343304 is an apocalyptic number.

It is an amenable number.

43431343304 is a deficient number, since it is larger than the sum of its proper divisors (38002425406).

43431343304 is a wasteful number, since it uses less digits than its factorization.

43431343304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428917919 (or 5428917915 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 43431343304 its reverse (40334313434), we get a palindrome (83765656738).

The spelling of 43431343304 in words is "forty-three billion, four hundred thirty-one million, three hundred forty-three thousand, three hundred four".