321116530973 has 8 divisors (see below), whose sum is σ = 367028550720. Its totient is φ = 275214068640.

The previous prime is 321116530949. The next prime is 321116531009. The reversal of 321116530973 is 379035611123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321116530973 - 2⁶ = 321116530909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321116530973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321116530573) 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, 2317208 + ... + 2451873.

It is an arithmetic number, because the mean of its divisors is an integer number (45878568840).

Almost surely, 2^321116530973 is an apocalyptic number.

It is an amenable number.

321116530973 is a deficient number, since it is larger than the sum of its proper divisors (45912019747).

321116530973 is an equidigital number, since it uses as much as digits as its factorization.

321116530973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778707.

The product of its (nonzero) digits is 102060, while the sum is 41.

The spelling of 321116530973 in words is "three hundred twenty-one billion, one hundred sixteen million, five hundred thirty thousand, nine hundred seventy-three".