100031224 has 8 divisors (see below), whose sum is σ = 187558560. Its totient is φ = 50015608.

The previous prime is 100031189. The next prime is 100031263. The reversal of 100031224 is 422130001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6251944 + ... + 6251959.

It is an arithmetic number, because the mean of its divisors is an integer number (23444820).

Almost surely, 2^100031224 is an apocalyptic number.

It is an amenable number.

100031224 is a deficient number, since it is larger than the sum of its proper divisors (87527336).

100031224 is a wasteful number, since it uses less digits than its factorization.

100031224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12503909 (or 12503905 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100031224 is about 10001.5610781518. The cubic root of 100031224 is about 464.2071879907.

Adding to 100031224 its reverse (422130001), we get a palindrome (522161225).

The spelling of 100031224 in words is "one hundred million, thirty-one thousand, two hundred twenty-four".