5120103531131 has 2 divisors, whose sum is σ = 5120103531132. Its totient is φ = 5120103531130.

The previous prime is 5120103531113. The next prime is 5120103531139. The reversal of 5120103531131 is 1311353010215.

It is a happy number.

Together with previous prime (5120103531113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5120103531131 - 2³⁴ = 5102923661947 is a prime.

It is a super-2 number, since 2×5120103531131² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5120103531131.

It is not a weakly prime, because it can be changed into another prime (5120103531139) 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, 2560051765565 + 2560051765566.

It is an arithmetic number, because the mean of its divisors is an integer number (2560051765566).

Almost surely, 2^{5120103531131} is an apocalyptic number.

5120103531131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5120103531131 is an equidigital number, since it uses as much as digits as its factorization.

5120103531131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 5120103531131 its reverse (1311353010215), we get a palindrome (6431456541346).

The spelling of 5120103531131 in words is "five trillion, one hundred twenty billion, one hundred three million, five hundred thirty-one thousand, one hundred thirty-one".