321231030985 has 8 divisors (see below), whose sum is σ = 385590201480. Its totient is φ = 256909515264.

The previous prime is 321231030943. The next prime is 321231031039. The reversal of 321231030985 is 589030132123.

It can be written as a sum of positive squares in 4 ways, for example, as 215382312649 + 105848718336 = 464093^2 + 325344^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 321231030985 - 2¹³ = 321231022793 is a prime.

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, 9394920 + ... + 9429049.

It is an arithmetic number, because the mean of its divisors is an integer number (48198775185).

Almost surely, 2^321231030985 is an apocalyptic number.

It is an amenable number.

321231030985 is a deficient number, since it is larger than the sum of its proper divisors (64359170495).

321231030985 is a wasteful number, since it uses less digits than its factorization.

321231030985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18827387.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 321231030985 in words is "three hundred twenty-one billion, two hundred thirty-one million, thirty thousand, nine hundred eighty-five".