231230202 has 64 divisors (see below), whose sum is σ = 544008960. Its totient is φ = 64157184.

The previous prime is 231230189. The next prime is 231230203. The reversal of 231230202 is 202032132.

It is not an unprimeable number, because it can be changed into a prime (231230203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242158 + ... + 243110.

It is an arithmetic number, because the mean of its divisors is an integer number (8500140).

Almost surely, 2^231230202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231230202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272004480).

231230202 is an abundant number, since it is smaller than the sum of its proper divisors (312778758).

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

231230202 is a wasteful number, since it uses less digits than its factorization.

231230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 231230202 is about 15206.2553575823. The cubic root of 231230202 is about 613.7829961673.

Adding to 231230202 its reverse (202032132), we get a palindrome (433262334).

The spelling of 231230202 in words is "two hundred thirty-one million, two hundred thirty thousand, two hundred two".