100131204 has 48 divisors (see below), whose sum is σ = 239283072. Its totient is φ = 32577792.

The previous prime is 100131193. The next prime is 100131211. The reversal of 100131204 is 402131001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 100131204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198817 + ... + 199319.

It is an arithmetic number, because the mean of its divisors is an integer number (4985064).

Almost surely, 2^100131204 is an apocalyptic number.

It is an amenable number.

100131204 is an abundant number, since it is smaller than the sum of its proper divisors (139151868).

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

100131204 is a wasteful number, since it uses less digits than its factorization.

100131204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100131204 is about 10006.5580495993. The cubic root of 100131204 is about 464.3617929857.

Adding to 100131204 its reverse (402131001), we get a palindrome (502262205).

The spelling of 100131204 in words is "one hundred million, one hundred thirty-one thousand, two hundred four".