42431330422 has 16 divisors (see below), whose sum is σ = 68553500400. Its totient is φ = 19580667552.

The previous prime is 42431330399. The next prime is 42431330477. The reversal of 42431330422 is 22403313424.

42431330422 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 7 ways as a sum of consecutive naturals, for example, 50329 + ... + 295627.

It is an arithmetic number, because the mean of its divisors is an integer number (4284593775).

Almost surely, 2^42431330422 is an apocalyptic number.

42431330422 is a deficient number, since it is larger than the sum of its proper divisors (26122169978).

42431330422 is a wasteful number, since it uses less digits than its factorization.

42431330422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251967.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42431330422 its reverse (22403313424), we get a palindrome (64834643846).

The spelling of 42431330422 in words is "forty-two billion, four hundred thirty-one million, three hundred thirty thousand, four hundred twenty-two".