131411503 has 2 divisors, whose sum is σ = 131411504. Its totient is φ = 131411502.

The previous prime is 131411491. The next prime is 131411509. The reversal of 131411503 is 305114131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131411503 - 2⁹ = 131410991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131411509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65705751 + 65705752.

It is an arithmetic number, because the mean of its divisors is an integer number (65705752).

Almost surely, 2^131411503 is an apocalyptic number.

131411503 is a deficient number, since it is larger than the sum of its proper divisors (1).

131411503 is an equidigital number, since it uses as much as digits as its factorization.

131411503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 131411503 is about 11463.4856391937. The cubic root of 131411503 is about 508.4065387599.

Adding to 131411503 its reverse (305114131), we get a palindrome (436525634).

The spelling of 131411503 in words is "one hundred thirty-one million, four hundred eleven thousand, five hundred three".