4320212231 has 4 divisors (see below), whose sum is σ = 4326768600. Its totient is φ = 4313655864.

The previous prime is 4320212219. The next prime is 4320212263. The reversal of 4320212231 is 1322120234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322120234 = 2 ⋅661060117.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4320212231 is a prime.

It is a super-2 number, since 2×4320212231² = 37328467441763994722, which contains 22 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 (4320212531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3277196 + ... + 3278513.

It is an arithmetic number, because the mean of its divisors is an integer number (1081692150).

Almost surely, 2^4320212231 is an apocalyptic number.

4320212231 is a deficient number, since it is larger than the sum of its proper divisors (6556369).

4320212231 is an equidigital number, since it uses as much as digits as its factorization.

4320212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556368.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4320212231 is about 65728.3213767094. The cubic root of 4320212231 is about 1628.6772400556.

Adding to 4320212231 its reverse (1322120234), we get a palindrome (5642332465).

The spelling of 4320212231 in words is "four billion, three hundred twenty million, two hundred twelve thousand, two hundred thirty-one".