422100031312 has 20 divisors (see below), whose sum is σ = 817847716896. Its totient is φ = 211042556000.

The previous prime is 422100031277. The next prime is 422100031313. The reversal of 422100031312 is 213130001224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 422100031312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422100031313) 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 3 ways as a sum of consecutive naturals, for example, 15687 + ... + 918937.

Almost surely, 2^422100031312 is an apocalyptic number.

It is an amenable number.

422100031312 is a deficient number, since it is larger than the sum of its proper divisors (395747685584).

422100031312 is a wasteful number, since it uses less digits than its factorization.

422100031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932466 (or 932460 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 422100031312 its reverse (213130001224), we get a palindrome (635230032536).

The spelling of 422100031312 in words is "four hundred twenty-two billion, one hundred million, thirty-one thousand, three hundred twelve".