231724036 has 24 divisors (see below), whose sum is σ = 420114240. Its totient is φ = 111703200.

The previous prime is 231724021. The next prime is 231724037. The reversal of 231724036 is 630427132.

231724036 is digitally balanced in base 2, 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 = 231723995 and 231724013.

It is not an unprimeable number, because it can be changed into a prime (231724037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125641 + ... + 127471.

It is an arithmetic number, because the mean of its divisors is an integer number (17504760).

Almost surely, 2^231724036 is an apocalyptic number.

It is an amenable number.

231724036 is a deficient number, since it is larger than the sum of its proper divisors (188390204).

231724036 is a wasteful number, since it uses less digits than its factorization.

231724036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 231724036 is about 15222.4845541061. The cubic root of 231724036 is about 614.2196337478.

The spelling of 231724036 in words is "two hundred thirty-one million, seven hundred twenty-four thousand, thirty-six".