100321303213 has 4 divisors (see below), whose sum is σ = 100994600700. Its totient is φ = 99648005728.

The previous prime is 100321303111. The next prime is 100321303241. The reversal of 100321303213 is 312303123001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312303123001 = 280463 ⋅1113527.

It can be written as a sum of positive squares in 2 ways, for example, as 51330792969 + 48990510244 = 226563^2 + 221338^2 .

It is a cyclic number.

It is not a de Polignac number, because 100321303213 - 2²⁹ = 99784432301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321303253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336648520 + ... + 336648817.

It is an arithmetic number, because the mean of its divisors is an integer number (25248650175).

Almost surely, 2^100321303213 is an apocalyptic number.

It is an amenable number.

100321303213 is a deficient number, since it is larger than the sum of its proper divisors (673297487).

100321303213 is an equidigital number, since it uses as much as digits as its factorization.

100321303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673297486.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100321303213 its reverse (312303123001), we get a palindrome (412624426214).

The spelling of 100321303213 in words is "one hundred billion, three hundred twenty-one million, three hundred three thousand, two hundred thirteen".