231084252 has 84 divisors (see below), whose sum is σ = 692996976. Its totient is φ = 66018240.

The previous prime is 231084239. The next prime is 231084253. The reversal of 231084252 is 252480132.

231084252 is a `hidden beast` number, since 231 + 0 + 8 + 425 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231084253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14752 + ... + 26072.

It is an arithmetic number, because the mean of its divisors is an integer number (8249964).

Almost surely, 2^231084252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231084252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346498488).

231084252 is an abundant number, since it is smaller than the sum of its proper divisors (461912724).

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

231084252 is a wasteful number, since it uses less digits than its factorization.

231084252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11350 (or 11333 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 231084252 is about 15201.4555881994. The cubic root of 231084252 is about 613.6538312603.

The spelling of 231084252 in words is "two hundred thirty-one million, eighty-four thousand, two hundred fifty-two".