100556331244 has 12 divisors (see below), whose sum is σ = 175983776584. Its totient is φ = 50275252224.

The previous prime is 100556331209. The next prime is 100556331247. The reversal of 100556331244 is 442133655001.

It is a super-2 number, since 2×100556331244² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100556331247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649749 + ... + 789484.

Almost surely, 2^100556331244 is an apocalyptic number.

It is an amenable number.

100556331244 is a deficient number, since it is larger than the sum of its proper divisors (75427445340).

100556331244 is a wasteful number, since it uses less digits than its factorization.

100556331244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456704 (or 1456702 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 100556331244 its reverse (442133655001), we get a palindrome (542689986245).

The spelling of 100556331244 in words is "one hundred billion, five hundred fifty-six million, three hundred thirty-one thousand, two hundred forty-four".