500231109 has 16 divisors (see below), whose sum is σ = 764280320. Its totient is φ = 285087600.

The previous prime is 500231093. The next prime is 500231141. The reversal of 500231109 is 901132005.

It is not a de Polignac number, because 500231109 - 2⁴ = 500231093 is a prime.

It is a super-2 number, since 2×500231109² = 500462324822739762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500231609) 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 in 15 ways as a sum of consecutive naturals, for example, 23467 + ... + 39384.

It is an arithmetic number, because the mean of its divisors is an integer number (47767520).

Almost surely, 2^500231109 is an apocalyptic number.

It is an amenable number.

500231109 is a deficient number, since it is larger than the sum of its proper divisors (264049211).

500231109 is a wasteful number, since it uses less digits than its factorization.

500231109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63240.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 500231109 is about 22365.8469323207. The cubic root of 500231109 is about 793.8227947043.

The spelling of 500231109 in words is "five hundred million, two hundred thirty-one thousand, one hundred nine".