321320230112 has 48 divisors (see below), whose sum is σ = 723062440800. Its totient is φ = 137691161088.

The previous prime is 321320230087. The next prime is 321320230123. The reversal of 321320230112 is 211032023123.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1758014 + ... + 1932162.

It is an arithmetic number, because the mean of its divisors is an integer number (15063800850).

Almost surely, 2^321320230112 is an apocalyptic number.

321320230112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321320230112 is an abundant number, since it is smaller than the sum of its proper divisors (401742210688).

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

321320230112 is a wasteful number, since it uses less digits than its factorization.

321320230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182403 (or 182395 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321320230112 its reverse (211032023123), we get a palindrome (532352253235).

The spelling of 321320230112 in words is "three hundred twenty-one billion, three hundred twenty million, two hundred thirty thousand, one hundred twelve".