100031100200 has 24 divisors (see below), whose sum is σ = 232572308430. Its totient is φ = 40012440000.

The previous prime is 100031100181. The next prime is 100031100209. The reversal of 100031100200 is 2001130001.

It can be written as a sum of positive squares in 3 ways, for example, as 83704905124 + 16326195076 = 289318^2 + 127774^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (100031100209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250077551 + ... + 250077950.

Almost surely, 2^100031100200 is an apocalyptic number.

100031100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100031100200 is an abundant number, since it is smaller than the sum of its proper divisors (132541208230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100031100200 is a wasteful number, since it uses less digits than its factorization.

100031100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500155517 (or 500155508 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 100031100200 its reverse (2001130001), we get a palindrome (102032230201).

The spelling of 100031100200 in words is "one hundred billion, thirty-one million, one hundred thousand, two hundred".