43235431052 has 36 divisors (see below), whose sum is σ = 83184857448. Its totient is φ = 19647936000.

The previous prime is 43235431007. The next prime is 43235431091. The reversal of 43235431052 is 25013453234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2995052 + ... + 3009452.

Almost surely, 2^43235431052 is an apocalyptic number.

It is an amenable number.

43235431052 is a deficient number, since it is larger than the sum of its proper divisors (39949426396).

43235431052 is a wasteful number, since it uses less digits than its factorization.

43235431052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20630 (or 20617 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 43235431052 its reverse (25013453234), we get a palindrome (68248884286).

The spelling of 43235431052 in words is "forty-three billion, two hundred thirty-five million, four hundred thirty-one thousand, fifty-two".