100331312 has 40 divisors (see below), whose sum is σ = 197643600. Its totient is φ = 49335552.

The previous prime is 100331261. The next prime is 100331317. The reversal of 100331312 is 213133001.

It is not an unprimeable number, because it can be changed into a prime (100331317) 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, 438014 + ... + 438242.

It is an arithmetic number, because the mean of its divisors is an integer number (4941090).

Almost surely, 2^100331312 is an apocalyptic number.

It is an amenable number.

100331312 is a deficient number, since it is larger than the sum of its proper divisors (97312288).

100331312 is a wasteful number, since it uses less digits than its factorization.

100331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 100331312 is about 10016.5519017275. The cubic root of 100331312 is about 464.6709229872.

Adding to 100331312 its reverse (213133001), we get a palindrome (313464313).

The spelling of 100331312 in words is "one hundred million, three hundred thirty-one thousand, three hundred twelve".