231885234 has 128 divisors (see below), whose sum is σ = 628992000. Its totient is φ = 61850304.

The previous prime is 231885223. The next prime is 231885257. The reversal of 231885234 is 432588132.

231885234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 595912 + ... + 596300.

It is an arithmetic number, because the mean of its divisors is an integer number (4914000).

Almost surely, 2^231885234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231885234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496000).

231885234 is an abundant number, since it is smaller than the sum of its proper divisors (397106766).

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

231885234 is a wasteful number, since it uses less digits than its factorization.

231885234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 503 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 231885234 is about 15227.7783671815. The cubic root of 231885234 is about 614.3620273010.

The spelling of 231885234 in words is "two hundred thirty-one million, eight hundred eighty-five thousand, two hundred thirty-four".