13131086503 has 2 divisors, whose sum is σ = 13131086504. Its totient is φ = 13131086502.

The previous prime is 13131086411. The next prime is 13131086509. The reversal of 13131086503 is 30568013131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13131086503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13131086509) 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, 6565543251 + 6565543252.

It is an arithmetic number, because the mean of its divisors is an integer number (6565543252).

Almost surely, 2^13131086503 is an apocalyptic number.

13131086503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131086503 is an equidigital number, since it uses as much as digits as its factorization.

13131086503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 13131086503 its reverse (30568013131), we get a palindrome (43699099634).

The spelling of 13131086503 in words is "thirteen billion, one hundred thirty-one million, eighty-six thousand, five hundred three".