131301315503 has 2 divisors, whose sum is σ = 131301315504. Its totient is φ = 131301315502.

The previous prime is 131301315491. The next prime is 131301315661. The reversal of 131301315503 is 305513103131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131301315503 - 2⁴ = 131301315487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131301305503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65650657751 + 65650657752.

It is an arithmetic number, because the mean of its divisors is an integer number (65650657752).

Almost surely, 2^131301315503 is an apocalyptic number.

131301315503 is a deficient number, since it is larger than the sum of its proper divisors (1).

131301315503 is an equidigital number, since it uses as much as digits as its factorization.

131301315503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 131301315503 its reverse (305513103131), we get a palindrome (436814418634).

The spelling of 131301315503 in words is "one hundred thirty-one billion, three hundred one million, three hundred fifteen thousand, five hundred three".