231100027 has 2 divisors, whose sum is σ = 231100028. Its totient is φ = 231100026.

The previous prime is 231100013. The next prime is 231100031. The reversal of 231100027 is 720001132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231100027 - 2²⁷ = 96882299 is a prime.

It is not a weakly prime, because it can be changed into another prime (231101027) 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 as a sum of consecutive naturals, namely, 115550013 + 115550014.

It is an arithmetic number, because the mean of its divisors is an integer number (115550014).

Almost surely, 2^231100027 is an apocalyptic number.

231100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

231100027 is an equidigital number, since it uses as much as digits as its factorization.

231100027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 231100027 is about 15201.9744441306. The cubic root of 231100027 is about 613.6677946652.

Adding to 231100027 its reverse (720001132), we get a palindrome (951101159).

The spelling of 231100027 in words is "two hundred thirty-one million, one hundred thousand, twenty-seven".