321130300232 has 64 divisors (see below), whose sum is σ = 694652561280. Its totient is φ = 136325532672.

The previous prime is 321130300217. The next prime is 321130300273. The reversal of 321130300232 is 232003031123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10888418 + ... + 10917870.

It is an arithmetic number, because the mean of its divisors is an integer number (10853946270).

Almost surely, 2^321130300232 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 321130300232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347326280640).

321130300232 is an abundant number, since it is smaller than the sum of its proper divisors (373522261048).

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

321130300232 is a wasteful number, since it uses less digits than its factorization.

321130300232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31302 (or 31298 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 321130300232 its reverse (232003031123), we get a palindrome (553133331355).

The spelling of 321130300232 in words is "three hundred twenty-one billion, one hundred thirty million, three hundred thousand, two hundred thirty-two".