321030121330 has 8 divisors (see below), whose sum is σ = 577854218412. Its totient is φ = 128412048528.

The previous prime is 321030121271. The next prime is 321030121333. The reversal of 321030121330 is 33121030123.

It can be written as a sum of positive squares in 2 ways, for example, as 308476935649 + 12553185681 = 555407^2 + 112041^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 321030121298 and 321030121307.

It is not an unprimeable number, because it can be changed into a prime (321030121333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16051506057 + ... + 16051506076.

Almost surely, 2^321030121330 is an apocalyptic number.

321030121330 is a deficient number, since it is larger than the sum of its proper divisors (256824097082).

321030121330 is a wasteful number, since it uses less digits than its factorization.

321030121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32103012140.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 321030121330 its reverse (33121030123), we get a palindrome (354151151453).

The spelling of 321030121330 in words is "three hundred twenty-one billion, thirty million, one hundred twenty-one thousand, three hundred thirty".