2331224213 has 4 divisors (see below), whose sum is σ = 2331636300. Its totient is φ = 2330812128.

The previous prime is 2331224191. The next prime is 2331224279. The reversal of 2331224213 is 3124221332.

2331224213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 236605924 + 2094618289 = 15382^2 + 45767^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331224213 - 2¹⁰ = 2331223189 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 (2331224293) 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, 197438 + ... + 208911.

It is an arithmetic number, because the mean of its divisors is an integer number (582909075).

Almost surely, 2^2331224213 is an apocalyptic number.

It is an amenable number.

2331224213 is a deficient number, since it is larger than the sum of its proper divisors (412087).

2331224213 is an equidigital number, since it uses as much as digits as its factorization.

2331224213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412086.

The product of its digits is 1728, while the sum is 23.

The square root of 2331224213 is about 48282.7527487818. The cubic root of 2331224213 is about 1325.9526483291.

Adding to 2331224213 its reverse (3124221332), we get a palindrome (5455445545).

The spelling of 2331224213 in words is "two billion, three hundred thirty-one million, two hundred twenty-four thousand, two hundred thirteen".