213133213233 has 12 divisors (see below), whose sum is σ = 317790024448. Its totient is φ = 137505298680.

The previous prime is 213133213219. The next prime is 213133213243. The reversal of 213133213233 is 332312331312.

213133213233 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 332 + 1 + 323 + 3 = 666.

It is not a de Polignac number, because 213133213233 - 2⁵ = 213133213201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213133213197 and 213133213206.

It is not an unprimeable number, because it can be changed into a prime (213133213243) 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 11 ways as a sum of consecutive naturals, for example, 381958885 + ... + 381959442.

Almost surely, 2^213133213233 is an apocalyptic number.

It is an amenable number.

213133213233 is a deficient number, since it is larger than the sum of its proper divisors (104656811215).

213133213233 is a wasteful number, since it uses less digits than its factorization.

213133213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763918364 (or 763918361 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 213133213233 its reverse (332312331312), we get a palindrome (545445544545).

The spelling of 213133213233 in words is "two hundred thirteen billion, one hundred thirty-three million, two hundred thirteen thousand, two hundred thirty-three".