321321130332 has 24 divisors (see below), whose sum is σ = 750420552336. Its totient is φ = 107011150848.

The previous prime is 321321130309. The next prime is 321321130357. The reversal of 321321130332 is 233031123123.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11972613 + ... + 11999420.

It is an arithmetic number, because the mean of its divisors is an integer number (31267523014).

Almost surely, 2^321321130332 is an apocalyptic number.

It is an amenable number.

321321130332 is an abundant number, since it is smaller than the sum of its proper divisors (429099422004).

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

321321130332 is a wasteful number, since it uses less digits than its factorization.

321321130332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23973157 (or 23973155 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 321321130332 its reverse (233031123123), we get a palindrome (554352253455).

The spelling of 321321130332 in words is "three hundred twenty-one billion, three hundred twenty-one million, one hundred thirty thousand, three hundred thirty-two".