4340213231 has 4 divisors (see below), whose sum is σ = 4340418264. Its totient is φ = 4340008200.

The previous prime is 4340213191. The next prime is 4340213233. The reversal of 4340213231 is 1323120434.

4340213231 is digitally balanced in base 3, 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4340213231 is a prime.

It is a super-2 number, since 2×4340213231² = 37674901781094918722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4340213197 and 4340213206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340213233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66560 + ... + 114501.

It is an arithmetic number, because the mean of its divisors is an integer number (1085104566).

Almost surely, 2^4340213231 is an apocalyptic number.

4340213231 is a deficient number, since it is larger than the sum of its proper divisors (205033).

4340213231 is a wasteful number, since it uses less digits than its factorization.

4340213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205032.

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

The square root of 4340213231 is about 65880.2947094198. The cubic root of 4340213231 is about 1631.1867643000.

Adding to 4340213231 its reverse (1323120434), we get a palindrome (5663333665).

The spelling of 4340213231 in words is "four billion, three hundred forty million, two hundred thirteen thousand, two hundred thirty-one".