3120112311331 has 4 divisors (see below), whose sum is σ = 3120115862872. Its totient is φ = 3120108759792.

The previous prime is 3120112311313. The next prime is 3120112311343. The reversal of 3120112311331 is 1331132110213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3120112311331 - 2⁷ = 3120112311203 is a prime.

It is a super-2 number, since 2×3120112311331² (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 (3120112317331) 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 3 ways as a sum of consecutive naturals, for example, 614380 + ... + 2572486.

It is an arithmetic number, because the mean of its divisors is an integer number (780028965718).

Almost surely, 2^{3120112311331} is an apocalyptic number.

3120112311331 is a deficient number, since it is larger than the sum of its proper divisors (3551541).

3120112311331 is a wasteful number, since it uses less digits than its factorization.

3120112311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551540.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 3120112311331 its reverse (1331132110213), we get a palindrome (4451244421544).

The spelling of 3120112311331 in words is "three trillion, one hundred twenty billion, one hundred twelve million, three hundred eleven thousand, three hundred thirty-one".