4231109 has 2 divisors, whose sum is σ = 4231110. Its totient is φ = 4231108.

The previous prime is 4231099. The next prime is 4231111. The reversal of 4231109 is 9011324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2630884 + 1600225 = 1622^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231109 - 2¹⁶ = 4165573 is a prime.

Together with 4231111, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115554 + 2115555.

It is an arithmetic number, because the mean of its divisors is an integer number (2115555).

Almost surely, 2^4231109 is an apocalyptic number.

It is an amenable number.

4231109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231109 is an equidigital number, since it uses as much as digits as its factorization.

4231109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 4231109 is about 2056.9659695775. The cubic root of 4231109 is about 161.7402355259.

The spelling of 4231109 in words is "four million, two hundred thirty-one thousand, one hundred nine".