321345113312 has 24 divisors (see below), whose sum is σ = 632663951976. Its totient is φ = 160668554112.

The previous prime is 321345113279. The next prime is 321345113321. The reversal of 321345113312 is 213311543123.

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, 1507298 + ... + 1707230.

It is an arithmetic number, because the mean of its divisors is an integer number (26360997999).

Almost surely, 2^321345113312 is an apocalyptic number.

321345113312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321345113312 is a deficient number, since it is larger than the sum of its proper divisors (311318838664).

321345113312 is a wasteful number, since it uses less digits than its factorization.

321345113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250170 (or 250162 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

Adding to 321345113312 its reverse (213311543123), we get a palindrome (534656656435).

The spelling of 321345113312 in words is "three hundred twenty-one billion, three hundred forty-five million, one hundred thirteen thousand, three hundred twelve".