231641082 has 48 divisors (see below), whose sum is σ = 533250432. Its totient is φ = 72420480.

The previous prime is 231641077. The next prime is 231641089. The reversal of 231641082 is 280146132.

It is not an unprimeable number, because it can be changed into a prime (231641089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100143 + ... + 102429.

It is an arithmetic number, because the mean of its divisors is an integer number (11109384).

Almost surely, 2^231641082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231641082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266625216).

231641082 is an abundant number, since it is smaller than the sum of its proper divisors (301609350).

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

231641082 is a wasteful number, since it uses less digits than its factorization.

231641082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 231641082 is about 15219.7595907426. The cubic root of 231641082 is about 614.1463309554.

The spelling of 231641082 in words is "two hundred thirty-one million, six hundred forty-one thousand, eighty-two".