100324321 has 12 divisors (see below), whose sum is σ = 106629460. Its totient is φ = 94358880.

The previous prime is 100324307. The next prime is 100324337. The reversal of 100324321 is 123423001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9217296 + 91107025 = 3036^2 + 9545^2 .

It is not a de Polignac number, because 100324321 - 2⁹ = 100323809 is a prime.

It is a super-2 number, since 2×100324321² = 20129938768222082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100324295 and 100324304.

It is not an unprimeable number, because it can be changed into a prime (100324621) 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 11 ways as a sum of consecutive naturals, for example, 30715 + ... + 33823.

Almost surely, 2^100324321 is an apocalyptic number.

It is an amenable number.

100324321 is a deficient number, since it is larger than the sum of its proper divisors (6305139).

100324321 is an equidigital number, since it uses as much as digits as its factorization.

100324321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 100324321 is about 10016.2029232639. The cubic root of 100324321 is about 464.6601301124.

Adding to 100324321 its reverse (123423001), we get a palindrome (223747322).

The spelling of 100324321 in words is "one hundred million, three hundred twenty-four thousand, three hundred twenty-one".