43311042120 has 64 divisors (see below), whose sum is σ = 137576257920. Its totient is φ = 10870221824.

The previous prime is 43311042107. The next prime is 43311042169. The reversal of 43311042120 is 2124011334.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10613412 + ... + 10617491.

It is an arithmetic number, because the mean of its divisors is an integer number (2149629030).

Almost surely, 2^43311042120 is an apocalyptic number.

43311042120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43311042120 is an abundant number, since it is smaller than the sum of its proper divisors (94265215800).

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

43311042120 is a wasteful number, since it uses less digits than its factorization.

43311042120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21230934 (or 21230930 counting only the distinct ones).

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

Adding to 43311042120 its reverse (2124011334), we get a palindrome (45435053454).

The spelling of 43311042120 in words is "forty-three billion, three hundred eleven million, forty-two thousand, one hundred twenty".