231962112 has 120 divisors (see below), whose sum is σ = 679844880. Its totient is φ = 76124160.

The previous prime is 231962111. The next prime is 231962141. The reversal of 231962112 is 211269132.

231962112 is a `hidden beast` number, since 2 + 31 + 9 + 621 + 1 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231962111) 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 11 ways as a sum of consecutive naturals, for example, 326814 + ... + 327522.

It is an arithmetic number, because the mean of its divisors is an integer number (5665374).

Almost surely, 2^231962112 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 231962112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339922440).

231962112 is an abundant number, since it is smaller than the sum of its proper divisors (447882768).

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

231962112 is an equidigital number, since it uses as much as digits as its factorization.

231962112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 785 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 231962112 is about 15230.3024264129. The cubic root of 231962112 is about 614.4299139081.

The spelling of 231962112 in words is "two hundred thirty-one million, nine hundred sixty-two thousand, one hundred twelve".