2340321213 has 4 divisors (see below), whose sum is σ = 3120428288. Its totient is φ = 1560214140.

The previous prime is 2340321209. The next prime is 2340321229. The reversal of 2340321213 is 3121230432.

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 2340321213 - 2² = 2340321209 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 2340321213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340321253) 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, 390053533 + ... + 390053538.

It is an arithmetic number, because the mean of its divisors is an integer number (780107072).

Almost surely, 2^2340321213 is an apocalyptic number.

It is an amenable number.

2340321213 is a deficient number, since it is larger than the sum of its proper divisors (780107075).

2340321213 is an equidigital number, since it uses as much as digits as its factorization.

2340321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780107074.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2340321213 is about 48376.8665066269. The cubic root of 2340321213 is about 1327.6751389186.

Adding to 2340321213 its reverse (3121230432), we get a palindrome (5461551645).

The spelling of 2340321213 in words is "two billion, three hundred forty million, three hundred twenty-one thousand, two hundred thirteen".