231152852 has 48 divisors (see below), whose sum is σ = 499080960. Its totient is φ = 91483392.

The previous prime is 231152809. The next prime is 231152861. The reversal of 231152852 is 258251132.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12488 + ... + 24864.

It is an arithmetic number, because the mean of its divisors is an integer number (10397520).

Almost surely, 2^231152852 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 231152852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249540480).

231152852 is an abundant number, since it is smaller than the sum of its proper divisors (267928108).

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

231152852 is a wasteful number, since it uses less digits than its factorization.

231152852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12440 (or 12438 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 231152852 is about 15203.7117836402. The cubic root of 231152852 is about 613.7145486358.

The spelling of 231152852 in words is "two hundred thirty-one million, one hundred fifty-two thousand, eight hundred fifty-two".