100131232 has 24 divisors (see below), whose sum is σ = 200079936. Its totient is φ = 49317312.

The previous prime is 100131223. The next prime is 100131247. The reversal of 100131232 is 232131001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21208 + ... + 25495.

It is an arithmetic number, because the mean of its divisors is an integer number (8336664).

Almost surely, 2^100131232 is an apocalyptic number.

It is an amenable number.

100131232 is a deficient number, since it is larger than the sum of its proper divisors (99948704).

100131232 is an equidigital number, since it uses as much as digits as its factorization.

100131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46780 (or 46772 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 100131232 is about 10006.5594486816. The cubic root of 100131232 is about 464.3618362694.

Adding to 100131232 its reverse (232131001), we get a palindrome (332262233).

The spelling of 100131232 in words is "one hundred million, one hundred thirty-one thousand, two hundred thirty-two".