231934266 has 56 divisors (see below), whose sum is σ = 524430144. Its totient is φ = 76894920.

The previous prime is 231934249. The next prime is 231934289. The reversal of 231934266 is 662439132.

231934266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231934266.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 394825 + ... + 395411.

It is an arithmetic number, because the mean of its divisors is an integer number (9364824).

Almost surely, 2^231934266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231934266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262215072).

231934266 is an abundant number, since it is smaller than the sum of its proper divisors (292495878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231934266 is an equidigital number, since it uses as much as digits as its factorization.

231934266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 863 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 231934266 is about 15229.3882345943. The cubic root of 231934266 is about 614.4053264156.

It can be divided in two parts, 2319 and 34266, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 231934266 in words is "two hundred thirty-one million, nine hundred thirty-four thousand, two hundred sixty-six".