231072824 has 16 divisors (see below), whose sum is σ = 433424520. Its totient is φ = 115492960.

The previous prime is 231072797. The next prime is 231072833. The reversal of 231072824 is 428270132.

231072824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34034 + ... + 40254.

Almost surely, 2^231072824 is an apocalyptic number.

It is an amenable number.

231072824 is a deficient number, since it is larger than the sum of its proper divisors (202351696).

231072824 is a wasteful number, since it uses less digits than its factorization.

231072824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870 (or 10866 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 231072824 is about 15201.0796984951. The cubic root of 231072824 is about 613.6437152507.

The spelling of 231072824 in words is "two hundred thirty-one million, seventy-two thousand, eight hundred twenty-four".