231100459 has 2 divisors, whose sum is σ = 231100460. Its totient is φ = 231100458.

The previous prime is 231100453. The next prime is 231100501. The reversal of 231100459 is 954001132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231100459 - 2¹⁵ = 231067691 is a prime.

It is not a weakly prime, because it can be changed into another prime (231100453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115550229 + 115550230.

It is an arithmetic number, because the mean of its divisors is an integer number (115550230).

Almost surely, 2^231100459 is an apocalyptic number.

231100459 is a deficient number, since it is larger than the sum of its proper divisors (1).

231100459 is an equidigital number, since it uses as much as digits as its factorization.

231100459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 231100459 is about 15201.9886528046. The cubic root of 231100459 is about 613.6681770456.

The spelling of 231100459 in words is "two hundred thirty-one million, one hundred thousand, four hundred fifty-nine".