321112311331312 has 10 divisors (see below), whose sum is σ = 622155103204448. Its totient is φ = 160556155665648.

The previous prime is 321112311331303. The next prime is 321112311331379. The reversal of 321112311331312 is 213133113211123.

It is a super-2 number, since 2×321112311331312² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10034759729088 + ... + 10034759729119.

Almost surely, 2^{321112311331312} is an apocalyptic number.

It is an amenable number.

321112311331312 is a deficient number, since it is larger than the sum of its proper divisors (301042791873136).

321112311331312 is a wasteful number, since it uses less digits than its factorization.

321112311331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20069519458215 (or 20069519458209 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

Adding to 321112311331312 its reverse (213133113211123), we get a palindrome (534245424542435).

The spelling of 321112311331312 in words is "three hundred twenty-one trillion, one hundred twelve billion, three hundred eleven million, three hundred thirty-one thousand, three hundred twelve".