231072835 has 16 divisors (see below), whose sum is σ = 330679296. Its totient is φ = 151560288.

The previous prime is 231072833. The next prime is 231072839. The reversal of 231072835 is 538270132.

231072835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 231072835 - 2¹ = 231072833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231072797 and 231072806.

It is not an unprimeable number, because it can be changed into a prime (231072833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142719 + ... + 144328.

It is an arithmetic number, because the mean of its divisors is an integer number (20667456).

Almost surely, 2^231072835 is an apocalyptic number.

231072835 is a deficient number, since it is larger than the sum of its proper divisors (99606461).

231072835 is a wasteful number, since it uses less digits than its factorization.

231072835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287082.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 231072835 is about 15201.0800603115. The cubic root of 231072835 is about 613.6437249880.

The spelling of 231072835 in words is "two hundred thirty-one million, seventy-two thousand, eight hundred thirty-five".