110231509 has 2 divisors, whose sum is σ = 110231510. Its totient is φ = 110231508.

The previous prime is 110231477. The next prime is 110231531. The reversal of 110231509 is 905132011.

It is an a-pointer prime, because the next prime (110231531) can be obtained adding 110231509 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87478609 + 22752900 = 9353^2 + 4770^2 .

It is a cyclic number.

It is not a de Polignac number, because 110231509 - 2⁵ = 110231477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110231509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110231579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55115754 + 55115755.

It is an arithmetic number, because the mean of its divisors is an integer number (55115755).

Almost surely, 2^110231509 is an apocalyptic number.

It is an amenable number.

110231509 is a deficient number, since it is larger than the sum of its proper divisors (1).

110231509 is an equidigital number, since it uses as much as digits as its factorization.

110231509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 110231509 is about 10499.1194392673. The cubic root of 110231509 is about 479.4778885965.

The spelling of 110231509 in words is "one hundred ten million, two hundred thirty-one thousand, five hundred nine".