213313210333 has 4 divisors (see below), whose sum is σ = 213412844988. Its totient is φ = 213213575680.

The previous prime is 213313210303. The next prime is 213313210399. The reversal of 213313210333 is 333012313312.

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 104372286489 + 108940923844 = 323067^2 + 330062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213313210333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213313210298 and 213313210307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213313210303) 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, 49814116 + ... + 49818397.

It is an arithmetic number, because the mean of its divisors is an integer number (53353211247).

Almost surely, 2^213313210333 is an apocalyptic number.

It is an amenable number.

213313210333 is a deficient number, since it is larger than the sum of its proper divisors (99634655).

213313210333 is an equidigital number, since it uses as much as digits as its factorization.

213313210333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99634654.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 213313210333 its reverse (333012313312), we get a palindrome (546325523645).

The spelling of 213313210333 in words is "two hundred thirteen billion, three hundred thirteen million, two hundred ten thousand, three hundred thirty-three".