43220131442 has 8 divisors (see below), whose sum is σ = 64831598832. Its totient is φ = 21609598500.

The previous prime is 43220131399. The next prime is 43220131447. The reversal of 43220131442 is 24413102234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (43220131447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103484 + ... + 311687.

It is an arithmetic number, because the mean of its divisors is an integer number (8103949854).

Almost surely, 2^43220131442 is an apocalyptic number.

43220131442 is a deficient number, since it is larger than the sum of its proper divisors (21611467390).

43220131442 is a wasteful number, since it uses less digits than its factorization.

43220131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467224.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43220131442 its reverse (24413102234), we get a palindrome (67633233676).

The spelling of 43220131442 in words is "forty-three billion, two hundred twenty million, one hundred thirty-one thousand, four hundred forty-two".