100031212304 has 20 divisors (see below), whose sum is σ = 193834446480. Its totient is φ = 50009419680.

The previous prime is 100031212277. The next prime is 100031212327. The reversal of 100031212304 is 403212130001.

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, 251834 + ... + 513305.

It is an arithmetic number, because the mean of its divisors is an integer number (9691722324).

Almost surely, 2^100031212304 is an apocalyptic number.

It is an amenable number.

100031212304 is a deficient number, since it is larger than the sum of its proper divisors (93803234176).

100031212304 is an equidigital number, since it uses as much as digits as its factorization.

100031212304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773318 (or 773312 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100031212304 its reverse (403212130001), we get a palindrome (503243342305).

The spelling of 100031212304 in words is "one hundred billion, thirty-one million, two hundred twelve thousand, three hundred four".