3112440310321 has 2 divisors, whose sum is σ = 3112440310322. Its totient is φ = 3112440310320.

The previous prime is 3112440310303. The next prime is 3112440310333. The reversal of 3112440310321 is 1230130442113.

3112440310321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2411141256225 + 701299054096 = 1552785^2 + 837436^2 .

It is an emirp because it is prime and its reverse (1230130442113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3112440310321 - 2⁹ = 3112440309809 is a prime.

It is a super-2 number, since 2×3112440310321² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3112440310391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556220155160 + 1556220155161.

It is an arithmetic number, because the mean of its divisors is an integer number (1556220155161).

Almost surely, 2^{3112440310321} is an apocalyptic number.

It is an amenable number.

3112440310321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112440310321 is an equidigital number, since it uses as much as digits as its factorization.

3112440310321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 3112440310321 its reverse (1230130442113), we get a palindrome (4342570752434).

The spelling of 3112440310321 in words is "three trillion, one hundred twelve billion, four hundred forty million, three hundred ten thousand, three hundred twenty-one".