2133212313 has 4 divisors (see below), whose sum is σ = 2844283088. Its totient is φ = 1422141540.

The previous prime is 2133212293. The next prime is 2133212339. The reversal of 2133212313 is 3132123312.

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 not a de Polignac number, because 2133212313 - 2⁵ = 2133212281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2133212313.

It is not an unprimeable number, because it can be changed into a prime (2133212353) 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, 355535383 + ... + 355535388.

It is an arithmetic number, because the mean of its divisors is an integer number (711070772).

Almost surely, 2^2133212313 is an apocalyptic number.

It is an amenable number.

2133212313 is a deficient number, since it is larger than the sum of its proper divisors (711070775).

2133212313 is an equidigital number, since it uses as much as digits as its factorization.

2133212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711070774.

The product of its digits is 648, while the sum is 21.

The square root of 2133212313 is about 46186.7114330518. The cubic root of 2133212313 is about 1287.2948365457.

Adding to 2133212313 its reverse (3132123312), we get a palindrome (5265335625).

The spelling of 2133212313 in words is "two billion, one hundred thirty-three million, two hundred twelve thousand, three hundred thirteen".