4431042321430 has 32 divisors (see below), whose sum is σ = 8039794968000. Its totient is φ = 1758243537792.

The previous prime is 4431042321347. The next prime is 4431042321437. The reversal of 4431042321430 is 341232401344.

It is a junction number, because it is equal to n+sod(n) for n = 4431042321392 and 4431042321401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431042321437) by changing a digit.

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, 771810 + ... + 3075349.

It is an arithmetic number, because the mean of its divisors is an integer number (251243592750).

Almost surely, 2^{4431042321430} is an apocalyptic number.

4431042321430 is a deficient number, since it is larger than the sum of its proper divisors (3608752646570).

4431042321430 is a wasteful number, since it uses less digits than its factorization.

4431042321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848088.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4431042321430 its reverse (341232401344), we get a palindrome (4772274722774).

The spelling of 4431042321430 in words is "four trillion, four hundred thirty-one billion, forty-two million, three hundred twenty-one thousand, four hundred thirty".