321103013312 has 28 divisors (see below), whose sum is σ = 637270725456. Its totient is φ = 160530862080.

The previous prime is 321103013279. The next prime is 321103013321. The reversal of 321103013312 is 213310301123.

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 3 ways as a sum of consecutive naturals, for example, 185237 + ... + 822507.

Almost surely, 2^321103013312 is an apocalyptic number.

321103013312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321103013312 is a deficient number, since it is larger than the sum of its proper divisors (316167712144).

321103013312 is an equidigital number, since it uses as much as digits as its factorization.

321103013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645156 (or 645146 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 321103013312 its reverse (213310301123), we get a palindrome (534413314435).

The spelling of 321103013312 in words is "three hundred twenty-one billion, one hundred three million, thirteen thousand, three hundred twelve".