320321320030 has 48 divisors (see below), whose sum is σ = 613141839216. Its totient is φ = 120463185920.

The previous prime is 320321320021. The next prime is 320321320049. The reversal of 320321320030 is 30023123023.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2678310 + ... + 2795350.

It is an arithmetic number, because the mean of its divisors is an integer number (12773788317).

Almost surely, 2^320321320030 is an apocalyptic number.

320321320030 is a deficient number, since it is larger than the sum of its proper divisors (292820519186).

320321320030 is a wasteful number, since it uses less digits than its factorization.

320321320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118029 (or 118012 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 320321320030 its reverse (30023123023), we get a palindrome (350344443053).

The spelling of 320321320030 in words is "three hundred twenty billion, three hundred twenty-one million, three hundred twenty thousand, thirty".