321230113320 has 64 divisors (see below), whose sum is σ = 994777136640. Its totient is φ = 82898092800.

The previous prime is 321230113279. The next prime is 321230113327. The reversal of 321230113320 is 23311032123.

It is not an unprimeable number, because it can be changed into a prime (321230113327) 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 15 ways as a sum of consecutive naturals, for example, 43172371 + ... + 43179810.

It is an arithmetic number, because the mean of its divisors is an integer number (15543392760).

Almost surely, 2^321230113320 is an apocalyptic number.

321230113320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321230113320 is an abundant number, since it is smaller than the sum of its proper divisors (673547023320).

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

321230113320 is a wasteful number, since it uses less digits than its factorization.

321230113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86352226 (or 86352222 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321230113320 its reverse (23311032123), we get a palindrome (344541145443).

The spelling of 321230113320 in words is "three hundred twenty-one billion, two hundred thirty million, one hundred thirteen thousand, three hundred twenty".