3112213313831 has 2 divisors, whose sum is σ = 3112213313832. Its totient is φ = 3112213313830.

The previous prime is 3112213313827. The next prime is 3112213313887. The reversal of 3112213313831 is 1383133122113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3112213313831 - 2² = 3112213313827 is a prime.

It is a super-2 number, since 2×3112213313831² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112213393831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556106656915 + 1556106656916.

It is an arithmetic number, because the mean of its divisors is an integer number (1556106656916).

Almost surely, 2^{3112213313831} is an apocalyptic number.

3112213313831 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112213313831 is an equidigital number, since it uses as much as digits as its factorization.

3112213313831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

Adding to 3112213313831 its reverse (1383133122113), we get a palindrome (4495346435944).

The spelling of 3112213313831 in words is "three trillion, one hundred twelve billion, two hundred thirteen million, three hundred thirteen thousand, eight hundred thirty-one".