321320331130 has 16 divisors (see below), whose sum is σ = 590682481920. Its totient is φ = 125793491152.

The previous prime is 321320331029. The next prime is 321320331131. The reversal of 321320331130 is 31133023123.

It is not an unprimeable number, because it can be changed into a prime (321320331131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341829670 + ... + 341830609.

It is an arithmetic number, because the mean of its divisors is an integer number (36917655120).

Almost surely, 2^321320331130 is an apocalyptic number.

321320331130 is a deficient number, since it is larger than the sum of its proper divisors (269362150790).

321320331130 is a wasteful number, since it uses less digits than its factorization.

321320331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683660333.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 321320331130 its reverse (31133023123), we get a palindrome (352453354253).

The spelling of 321320331130 in words is "three hundred twenty-one billion, three hundred twenty million, three hundred thirty-one thousand, one hundred thirty".