43131024012 has 72 divisors (see below), whose sum is σ = 101977411536. Its totient is φ = 14188179456.

The previous prime is 43131024011. The next prime is 43131024017. The reversal of 43131024012 is 21042013134.

It is a super-2 number, since 2×43131024012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43131024012.

It is not an unprimeable number, because it can be changed into a prime (43131024011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50327488 + ... + 50328344.

It is an arithmetic number, because the mean of its divisors is an integer number (1416352938).

Almost surely, 2^43131024012 is an apocalyptic number.

It is an amenable number.

43131024012 is an abundant number, since it is smaller than the sum of its proper divisors (58846387524).

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

43131024012 is a wasteful number, since it uses less digits than its factorization.

43131024012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 43131024012 its reverse (21042013134), we get a palindrome (64173037146).

The spelling of 43131024012 in words is "forty-three billion, one hundred thirty-one million, twenty-four thousand, twelve".