231016 has 16 divisors (see below), whose sum is σ = 440640. Its totient is φ = 113520.

The previous prime is 231001. The next prime is 231017. The reversal of 231016 is 610132.

231016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 230987 and 231005.

It is not an unprimeable number, because it can be changed into a prime (231017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321 + ... + 751.

It is an arithmetic number, because the mean of its divisors is an integer number (27540).

2²³¹⁰¹⁶ is an apocalyptic number.

It is an amenable number.

231016 is a deficient number, since it is larger than the sum of its proper divisors (209624).

231016 is a wasteful number, since it uses less digits than its factorization.

231016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 231016 is about 480.6412383473. The cubic root of 231016 is about 61.3593409971.

Adding to 231016 its reverse (610132), we get a palindrome (841148).

The spelling of 231016 in words is "two hundred thirty-one thousand, sixteen".