2133323213 has 4 divisors (see below), whose sum is σ = 2438083680. Its totient is φ = 1828562748.

The previous prime is 2133323207. The next prime is 2133323237. The reversal of 2133323213 is 3123233312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2133323213 - 2⁸ = 2133322957 is a prime.

It is a super-2 number, since 2×2133323213² = 9102135862249286738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133323243) 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, 152380223 + ... + 152380236.

It is an arithmetic number, because the mean of its divisors is an integer number (609520920).

Almost surely, 2^2133323213 is an apocalyptic number.

It is an amenable number.

2133323213 is a deficient number, since it is larger than the sum of its proper divisors (304760467).

2133323213 is an equidigital number, since it uses as much as digits as its factorization.

2133323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304760466.

The product of its digits is 1944, while the sum is 23.

The square root of 2133323213 is about 46187.9119792181. The cubic root of 2133323213 is about 1287.3171438305.

Adding to 2133323213 its reverse (3123233312), we get a palindrome (5256556525).

The spelling of 2133323213 in words is "two billion, one hundred thirty-three million, three hundred twenty-three thousand, two hundred thirteen".