213200233321 has 4 divisors (see below), whose sum is σ = 213207958612. Its totient is φ = 213192508032.

The previous prime is 213200233291. The next prime is 213200233327. The reversal of 213200233321 is 123332002312.

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 61708024921 + 151492208400 = 248411^2 + 389220^2 .

It is a cyclic number.

It is not a de Polignac number, because 213200233321 - 2¹¹ = 213200231273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213200233292 and 213200233301.

It is not an unprimeable number, because it can be changed into a prime (213200233327) 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, 3821100 + ... + 3876493.

It is an arithmetic number, because the mean of its divisors is an integer number (53301989653).

Almost surely, 2^213200233321 is an apocalyptic number.

It is an amenable number.

213200233321 is a deficient number, since it is larger than the sum of its proper divisors (7725291).

213200233321 is an equidigital number, since it uses as much as digits as its factorization.

213200233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725290.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213200233321 its reverse (123332002312), we get a palindrome (336532235633).

The spelling of 213200233321 in words is "two hundred thirteen billion, two hundred million, two hundred thirty-three thousand, three hundred twenty-one".