100321313 has 4 divisors (see below), whose sum is σ = 100348080. Its totient is φ = 100294548.

The previous prime is 100321303. The next prime is 100321327. The reversal of 100321313 is 313123001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100321313 - 2⁴ = 100321297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100321303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6623 + ... + 15636.

It is an arithmetic number, because the mean of its divisors is an integer number (25087020).

Almost surely, 2^100321313 is an apocalyptic number.

It is an amenable number.

100321313 is a deficient number, since it is larger than the sum of its proper divisors (26767).

100321313 is an equidigital number, since it uses as much as digits as its factorization.

100321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26766.

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

The square root of 100321313 is about 10016.0527654361. The cubic root of 100321313 is about 464.6554861350.

Adding to 100321313 its reverse (313123001), we get a palindrome (413444314).

The spelling of 100321313 in words is "one hundred million, three hundred twenty-one thousand, three hundred thirteen".