43122431020 has 48 divisors (see below), whose sum is σ = 93739393440. Its totient is φ = 16643579904.

The previous prime is 43122430961. The next prime is 43122431057. The reversal of 43122431020 is 2013422134.

It is a junction number, because it is equal to n+sod(n) for n = 43122430982 and 43122431000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920812 + ... + 966508.

It is an arithmetic number, because the mean of its divisors is an integer number (1952904030).

Almost surely, 2^43122431020 is an apocalyptic number.

It is an amenable number.

43122431020 is an abundant number, since it is smaller than the sum of its proper divisors (50616962420).

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

43122431020 is a wasteful number, since it uses less digits than its factorization.

43122431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47362 (or 47360 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 43122431020 its reverse (2013422134), we get a palindrome (45135853154).

The spelling of 43122431020 in words is "forty-three billion, one hundred twenty-two million, four hundred thirty-one thousand, twenty".