131276503 has 2 divisors, whose sum is σ = 131276504. Its totient is φ = 131276502.

The previous prime is 131276489. The next prime is 131276569. The reversal of 131276503 is 305672131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131276503 - 2¹⁷ = 131145431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131276303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65638251 + 65638252.

It is an arithmetic number, because the mean of its divisors is an integer number (65638252).

Almost surely, 2^131276503 is an apocalyptic number.

131276503 is a deficient number, since it is larger than the sum of its proper divisors (1).

131276503 is an equidigital number, since it uses as much as digits as its factorization.

131276503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 131276503 is about 11457.5958647528. The cubic root of 131276503 is about 508.2323825213.

It can be divided in two parts, 1312 and 76503, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 131276503 in words is "one hundred thirty-one million, two hundred seventy-six thousand, five hundred three".