2133311213 has 4 divisors (see below), whose sum is σ = 2327248608. Its totient is φ = 1939373820.

The previous prime is 2133311161. The next prime is 2133311231. The reversal of 2133311213 is 3121133312.

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 2133311213 - 2⁸ = 2133310957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133311233) 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 3 ways as a sum of consecutive naturals, for example, 96968681 + ... + 96968702.

It is an arithmetic number, because the mean of its divisors is an integer number (581812152).

Almost surely, 2^2133311213 is an apocalyptic number.

It is an amenable number.

2133311213 is a deficient number, since it is larger than the sum of its proper divisors (193937395).

2133311213 is a wasteful number, since it uses less digits than its factorization.

2133311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193937394.

The product of its digits is 324, while the sum is 20.

The square root of 2133311213 is about 46187.7820749167. The cubic root of 2133311213 is about 1287.3147300948.

Adding to 2133311213 its reverse (3121133312), we get a palindrome (5254444525).

The spelling of 2133311213 in words is "two billion, one hundred thirty-three million, three hundred eleven thousand, two hundred thirteen".