103503256302613 has 2 divisors, whose sum is σ = 103503256302614. Its totient is φ = 103503256302612.

The previous prime is 103503256302521. The next prime is 103503256302799. The reversal of 103503256302613 is 316203652305301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96388863035089 + 7114393267524 = 9817783^2 + 2667282^2 .

It is an emirp because it is prime and its reverse (316203652305301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103503256302613 - 2⁴⁵ = 68318884213781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103503256332613) 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, 51751628151306 + 51751628151307.

It is an arithmetic number, because the mean of its divisors is an integer number (51751628151307).

Almost surely, 2^{103503256302613} is an apocalyptic number.

It is an amenable number.

103503256302613 is a deficient number, since it is larger than the sum of its proper divisors (1).

103503256302613 is an equidigital number, since it uses as much as digits as its factorization.

103503256302613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 40.

The spelling of 103503256302613 in words is "one hundred three trillion, five hundred three billion, two hundred fifty-six million, three hundred two thousand, six hundred thirteen".