102503130313 has 2 divisors, whose sum is σ = 102503130314. Its totient is φ = 102503130312.

The previous prime is 102503130281. The next prime is 102503130337. The reversal of 102503130313 is 313031305201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87739179264 + 14763951049 = 296208^2 + 121507^2 .

It is a cyclic number.

It is not a de Polignac number, because 102503130313 - 2⁵ = 102503130281 is a prime.

It is not a weakly prime, because it can be changed into another prime (102503110313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51251565156 + 51251565157.

It is an arithmetic number, because the mean of its divisors is an integer number (51251565157).

Almost surely, 2^102503130313 is an apocalyptic number.

It is an amenable number.

102503130313 is a deficient number, since it is larger than the sum of its proper divisors (1).

102503130313 is an equidigital number, since it uses as much as digits as its factorization.

102503130313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 102503130313 its reverse (313031305201), we get a palindrome (415534435514).

The spelling of 102503130313 in words is "one hundred two billion, five hundred three million, one hundred thirty thousand, three hundred thirteen".