2133213133 has 4 divisors (see below), whose sum is σ = 2190867580. Its totient is φ = 2075558688.

The previous prime is 2133213119. The next prime is 2133213151. The reversal of 2133213133 is 3313123312.

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 2013047689 + 120165444 = 44867^2 + 10962^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133213133 - 2⁹ = 2133212621 is a prime.

It is a super-3 number, since 3×2133213133³ (a number of 29 digits) contains 333 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 (2133213113) 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, 28827168 + ... + 28827241.

It is an arithmetic number, because the mean of its divisors is an integer number (547716895).

Almost surely, 2^2133213133 is an apocalyptic number.

It is an amenable number.

2133213133 is a deficient number, since it is larger than the sum of its proper divisors (57654447).

2133213133 is an equidigital number, since it uses as much as digits as its factorization.

2133213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57654446.

The product of its digits is 972, while the sum is 22.

The square root of 2133213133 is about 46186.7203100632. The cubic root of 2133213133 is about 1287.2950014897.

Adding to 2133213133 its reverse (3313123312), we get a palindrome (5446336445).

The spelling of 2133213133 in words is "two billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred thirty-three".