231036789 has 16 divisors (see below), whose sum is σ = 324722880. Its totient is φ = 145710720.

The previous prime is 231036787. The next prime is 231036797. The reversal of 231036789 is 987630132.

It is not a de Polignac number, because 231036789 - 2¹ = 231036787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231036781) 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, 44329 + ... + 49265.

It is an arithmetic number, because the mean of its divisors is an integer number (20295180).

Almost surely, 2^231036789 is an apocalyptic number.

It is an amenable number.

231036789 is a deficient number, since it is larger than the sum of its proper divisors (93686091).

231036789 is a wasteful number, since it uses less digits than its factorization.

231036789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 231036789 is about 15199.8943746330. The cubic root of 231036789 is about 613.6118150608.

It can be divided in two parts, 23103 and 6789, that added together give a palindrome (29892).

The spelling of 231036789 in words is "two hundred thirty-one million, thirty-six thousand, seven hundred eighty-nine".