43112131444 has 48 divisors (see below), whose sum is σ = 81784600128. Its totient is φ = 19805925888.

The previous prime is 43112131399. The next prime is 43112131453. The reversal of 43112131444 is 44413121134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11118034 + ... + 11121910.

It is an arithmetic number, because the mean of its divisors is an integer number (1703845836).

Almost surely, 2^43112131444 is an apocalyptic number.

It is an amenable number.

43112131444 is a deficient number, since it is larger than the sum of its proper divisors (38672468684).

43112131444 is a wasteful number, since it uses less digits than its factorization.

43112131444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7744 (or 7742 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 43112131444 its reverse (44413121134), we get a palindrome (87525252578).

The spelling of 43112131444 in words is "forty-three billion, one hundred twelve million, one hundred thirty-one thousand, four hundred forty-four".