321223045330 has 96 divisors (see below), whose sum is σ = 666558097920. Its totient is φ = 110519735040.

The previous prime is 321223045307. The next prime is 321223045331. The reversal of 321223045330 is 33540322123.

It is not an unprimeable number, because it can be changed into a prime (321223045331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34026751 + ... + 34036189.

It is an arithmetic number, because the mean of its divisors is an integer number (6943313520).

Almost surely, 2^321223045330 is an apocalyptic number.

321223045330 is an abundant number, since it is smaller than the sum of its proper divisors (345335052590).

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

321223045330 is a wasteful number, since it uses less digits than its factorization.

321223045330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10352 (or 10333 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 321223045330 its reverse (33540322123), we get a palindrome (354763367453).

The spelling of 321223045330 in words is "three hundred twenty-one billion, two hundred twenty-three million, forty-five thousand, three hundred thirty".