231068879 has 16 divisors (see below), whose sum is σ = 256131072. Its totient is φ = 207343488.

The previous prime is 231068857. The next prime is 231068881. The reversal of 231068879 is 978860132.

It is a cyclic number.

It is not a de Polignac number, because 231068879 - 2¹⁶ = 231003343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231068479) 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, 148982 + ... + 150524.

It is an arithmetic number, because the mean of its divisors is an integer number (16008192).

Almost surely, 2^231068879 is an apocalyptic number.

231068879 is a deficient number, since it is larger than the sum of its proper divisors (25062193).

231068879 is a wasteful number, since it uses less digits than its factorization.

231068879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 231068879 is about 15200.9499374217. The cubic root of 231068879 is about 613.6402230785.

The spelling of 231068879 in words is "two hundred thirty-one million, sixty-eight thousand, eight hundred seventy-nine".