100031220032 has 28 divisors (see below), whose sum is σ = 198632064000. Its totient is φ = 49982196096.

The previous prime is 100031219941. The next prime is 100031220041. The reversal of 100031220032 is 230022130001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100031219989 and 100031220016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425408 + ... + 617279.

Almost surely, 2^100031220032 is an apocalyptic number.

It is an amenable number.

100031220032 is a deficient number, since it is larger than the sum of its proper divisors (98600843968).

100031220032 is a wasteful number, since it uses less digits than its factorization.

100031220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044198 (or 1044188 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100031220032 its reverse (230022130001), we get a palindrome (330053350033).

The spelling of 100031220032 in words is "one hundred billion, thirty-one million, two hundred twenty thousand, thirty-two".