4340321231 has 2 divisors, whose sum is σ = 4340321232. Its totient is φ = 4340321230.

The previous prime is 4340321207. The next prime is 4340321239. The reversal of 4340321231 is 1321230434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4340321231 - 2²⁶ = 4273212367 is a prime.

It is a super-2 number, since 2×4340321231² = 37676776776538710722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4340321197 and 4340321206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4340321239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2170160615 + 2170160616.

It is an arithmetic number, because the mean of its divisors is an integer number (2170160616).

Almost surely, 2^4340321231 is an apocalyptic number.

4340321231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4340321231 is an equidigital number, since it uses as much as digits as its factorization.

4340321231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4340321231 is about 65881.1143727852. The cubic root of 4340321231 is about 1631.2002941045.

Adding to 4340321231 its reverse (1321230434), we get a palindrome (5661551665).

The spelling of 4340321231 in words is "four billion, three hundred forty million, three hundred twenty-one thousand, two hundred thirty-one".