3112131331321 has 8 divisors (see below), whose sum is σ = 3324822162080. Its totient is φ = 2904329945088.

The previous prime is 3112131331301. The next prime is 3112131331343. The reversal of 3112131331321 is 1231331312113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3112131331321 - 2³¹ = 3109983847673 is a prime.

It is a super-2 number, since 2×3112131331321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112131331301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222359816 + ... + 1222362361.

It is an arithmetic number, because the mean of its divisors is an integer number (415602770260).

Almost surely, 2^{3112131331321} is an apocalyptic number.

It is an amenable number.

3112131331321 is a deficient number, since it is larger than the sum of its proper divisors (212690830759).

3112131331321 is a wasteful number, since it uses less digits than its factorization.

3112131331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444722263.

The product of its digits is 972, while the sum is 25.

Adding to 3112131331321 its reverse (1231331312113), we get a palindrome (4343462643434).

The spelling of 3112131331321 in words is "three trillion, one hundred twelve billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty-one".