3120131300081 has 2 divisors, whose sum is σ = 3120131300082. Its totient is φ = 3120131300080.

The previous prime is 3120131300003. The next prime is 3120131300113. The reversal of 3120131300081 is 1800031310213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2574150701056 + 545980599025 = 1604416^2 + 738905^2 .

It is an emirp because it is prime and its reverse (1800031310213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3120131300081 - 2³⁰ = 3119057558257 is a prime.

It is a super-2 number, since 2×3120131300081² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3120130300081) 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 as a sum of consecutive naturals, namely, 1560065650040 + 1560065650041.

It is an arithmetic number, because the mean of its divisors is an integer number (1560065650041).

Almost surely, 2^{3120131300081} is an apocalyptic number.

It is an amenable number.

3120131300081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120131300081 is an equidigital number, since it uses as much as digits as its factorization.

3120131300081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 3120131300081 its reverse (1800031310213), we get a palindrome (4920162610294).

The spelling of 3120131300081 in words is "three trillion, one hundred twenty billion, one hundred thirty-one million, three hundred thousand, eighty-one".