321030603385 has 12 divisors (see below), whose sum is σ = 389934092772. Its totient is φ = 253730184608.

The previous prime is 321030603349. The next prime is 321030603451. The reversal of 321030603385 is 583306030123.

It can be written as a sum of positive squares in 2 ways, for example, as 107376803856 + 213653799529 = 327684^2 + 462227^2 .

It is not a de Polignac number, because 321030603385 - 2¹⁵ = 321030570617 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 321030603385.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4625602 + ... + 4694491.

It is an arithmetic number, because the mean of its divisors is an integer number (32494507731).

Almost surely, 2^321030603385 is an apocalyptic number.

It is an amenable number.

321030603385 is a deficient number, since it is larger than the sum of its proper divisors (68903489387).

321030603385 is an frugal number, since it uses more digits than its factorization.

321030603385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9320264 (or 9320181 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 321030603385 in words is "three hundred twenty-one billion, thirty million, six hundred three thousand, three hundred eighty-five".