213333323100133 has 4 divisors (see below), whose sum is σ = 214014899212588. Its totient is φ = 212651746987680.

The previous prime is 213333323100101. The next prime is 213333323100173. The reversal of 213333323100133 is 331001323333312.

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 21691439963649 + 191641883136484 = 4657407^2 + 13843478^2 .

It is a cyclic number.

It is not a de Polignac number, because 213333323100133 - 2⁵ = 213333323100101 is a prime.

It is a super-2 number, since 2×213333323100133² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213333323100095 and 213333323100104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213333323100173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340788055758 + ... + 340788056383.

It is an arithmetic number, because the mean of its divisors is an integer number (53503724803147).

Almost surely, 2^{213333323100133} is an apocalyptic number.

It is an amenable number.

213333323100133 is a deficient number, since it is larger than the sum of its proper divisors (681576112455).

213333323100133 is an equidigital number, since it uses as much as digits as its factorization.

213333323100133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681576112454.

The product of its (nonzero) digits is 26244, while the sum is 31.

Adding to 213333323100133 its reverse (331001323333312), we get a palindrome (544334646433445).

The spelling of 213333323100133 in words is "two hundred thirteen trillion, three hundred thirty-three billion, three hundred twenty-three million, one hundred thousand, one hundred thirty-three".