4331230391 has 2 divisors, whose sum is σ = 4331230392. Its totient is φ = 4331230390.

The previous prime is 4331230363. The next prime is 4331230399. The reversal of 4331230391 is 1930321334.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4331230391 - 2⁶ = 4331230327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4331230399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2165615195 + 2165615196.

It is an arithmetic number, because the mean of its divisors is an integer number (2165615196).

Almost surely, 2^4331230391 is an apocalyptic number.

4331230391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4331230391 is an equidigital number, since it uses as much as digits as its factorization.

4331230391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 4331230391 is about 65812.0839284094. The cubic root of 4331230391 is about 1630.0606437347.

The spelling of 4331230391 in words is "four billion, three hundred thirty-one million, two hundred thirty thousand, three hundred ninety-one".