100131244 has 24 divisors (see below), whose sum is σ = 180730368. Its totient is φ = 48515280.

The previous prime is 100131223. The next prime is 100131247. The reversal of 100131244 is 442131001.

It is not an unprimeable number, because it can be changed into a prime (100131247) 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 7 ways as a sum of consecutive naturals, for example, 16779 + ... + 21949.

It is an arithmetic number, because the mean of its divisors is an integer number (7530432).

Almost surely, 2^100131244 is an apocalyptic number.

It is an amenable number.

100131244 is a deficient number, since it is larger than the sum of its proper divisors (80599124).

100131244 is a wasteful number, since it uses less digits than its factorization.

100131244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325 (or 5323 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100131244 is about 10006.5600482883. The cubic root of 100131244 is about 464.3618548195.

Adding to 100131244 its reverse (442131001), we get a palindrome (542262245).

The spelling of 100131244 in words is "one hundred million, one hundred thirty-one thousand, two hundred forty-four".