43431331332 has 48 divisors (see below), whose sum is σ = 108812253312. Its totient is φ = 13433602560.

The previous prime is 43431331331. The next prime is 43431331337. The reversal of 43431331332 is 23313313434.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 43431331332.

It is not an unprimeable number, because it can be changed into a prime (43431331331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484803 + ... + 1513770.

It is an arithmetic number, because the mean of its divisors is an integer number (2266921944).

Almost surely, 2^43431331332 is an apocalyptic number.

It is an amenable number.

43431331332 is an abundant number, since it is smaller than the sum of its proper divisors (65380921980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43431331332 is a wasteful number, since it uses less digits than its factorization.

43431331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998668 (or 2998666 counting only the distinct ones).

The product of its digits is 23328, while the sum is 30.

Adding to 43431331332 its reverse (23313313434), we get a palindrome (66744644766).

The spelling of 43431331332 in words is "forty-three billion, four hundred thirty-one million, three hundred thirty-one thousand, three hundred thirty-two".