321130320030 has 96 divisors (see below), whose sum is σ = 921095884800. Its totient is φ = 77119464960.

The previous prime is 321130320013. The next prime is 321130320037. The reversal of 321130320030 is 30023031123.

321130320030 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 321130319985 and 321130320012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321130320037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3299230 + ... + 3395169.

It is an arithmetic number, because the mean of its divisors is an integer number (9594748800).

Almost surely, 2^321130320030 is an apocalyptic number.

321130320030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

321130320030 is an abundant number, since it is smaller than the sum of its proper divisors (599965564770).

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

321130320030 is a wasteful number, since it uses less digits than its factorization.

321130320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694466 (or 6694463 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 321130320030 its reverse (30023031123), we get a palindrome (351153351153).

The spelling of 321130320030 in words is "three hundred twenty-one billion, one hundred thirty million, three hundred twenty thousand, thirty".