43130221542 has 24 divisors (see below), whose sum is σ = 93839821920. Its totient is φ = 14316585360.

The previous prime is 43130221499. The next prime is 43130221571. The reversal of 43130221542 is 24512203134.

43130221542 is a `hidden beast` number, since 431 + 3 + 0 + 221 + 5 + 4 + 2 = 666.

43130221542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5008509 + ... + 5017112.

It is an arithmetic number, because the mean of its divisors is an integer number (3909992580).

Almost surely, 2^43130221542 is an apocalyptic number.

43130221542 is an abundant number, since it is smaller than the sum of its proper divisors (50709600378).

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

43130221542 is a wasteful number, since it uses less digits than its factorization.

43130221542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025868 (or 10025865 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 43130221542 its reverse (24512203134), we get a palindrome (67642424676).

The spelling of 43130221542 in words is "forty-three billion, one hundred thirty million, two hundred twenty-one thousand, five hundred forty-two".