131175503 has 2 divisors, whose sum is σ = 131175504. Its totient is φ = 131175502.

The previous prime is 131175493. The next prime is 131175511. The reversal of 131175503 is 305571131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131175503 - 2¹⁰ = 131174479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131175533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65587751 + 65587752.

It is an arithmetic number, because the mean of its divisors is an integer number (65587752).

Almost surely, 2^131175503 is an apocalyptic number.

131175503 is a deficient number, since it is larger than the sum of its proper divisors (1).

131175503 is an equidigital number, since it uses as much as digits as its factorization.

131175503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 131175503 is about 11453.1874602662. The cubic root of 131175503 is about 508.1020097601.

The spelling of 131175503 in words is "one hundred thirty-one million, one hundred seventy-five thousand, five hundred three".