3123134203081 has 2 divisors, whose sum is σ = 3123134203082. Its totient is φ = 3123134203080.

The previous prime is 3123134203039. The next prime is 3123134203093. The reversal of 3123134203081 is 1803024313213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2859765095056 + 263369108025 = 1691084^2 + 513195^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123134203081 - 2¹³ = 3123134194889 is a prime.

It is a super-2 number, since 2×3123134203081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3123134203001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561567101540 + 1561567101541.

It is an arithmetic number, because the mean of its divisors is an integer number (1561567101541).

Almost surely, 2^{3123134203081} is an apocalyptic number.

It is an amenable number.

3123134203081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123134203081 is an equidigital number, since it uses as much as digits as its factorization.

3123134203081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 3123134203081 its reverse (1803024313213), we get a palindrome (4926158516294).

The spelling of 3123134203081 in words is "three trillion, one hundred twenty-three billion, one hundred thirty-four million, two hundred three thousand, eighty-one".