133100324324021 has 4 divisors (see below), whose sum is σ = 133101625492044. Its totient is φ = 133099023156000.

The previous prime is 133100324324003. The next prime is 133100324324027. The reversal of 133100324324021 is 120423423001331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84377341689796 + 48722982634225 = 9185714^2 + 6980185^2 .

It is a cyclic number.

It is not a de Polignac number, because 133100324324021 - 2²⁶ = 133100257215157 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 (133100324324027) 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, 650430560 + ... + 650635161.

It is an arithmetic number, because the mean of its divisors is an integer number (33275406373011).

Almost surely, 2^{133100324324021} is an apocalyptic number.

It is an amenable number.

133100324324021 is a deficient number, since it is larger than the sum of its proper divisors (1301168023).

133100324324021 is a wasteful number, since it uses less digits than its factorization.

133100324324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301168022.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 133100324324021 its reverse (120423423001331), we get a palindrome (253523747325352).

The spelling of 133100324324021 in words is "one hundred thirty-three trillion, one hundred billion, three hundred twenty-four million, three hundred twenty-four thousand, twenty-one".