131066503 has 16 divisors (see below), whose sum is σ = 141649920. Its totient is φ = 120881376.

The previous prime is 131066501. The next prime is 131066513. The reversal of 131066503 is 305660131.

It is a cyclic number.

It is not a de Polignac number, because 131066503 - 2¹ = 131066501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131066501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282850 + ... + 283312.

It is an arithmetic number, because the mean of its divisors is an integer number (8853120).

Almost surely, 2^131066503 is an apocalyptic number.

131066503 is a deficient number, since it is larger than the sum of its proper divisors (10583417).

131066503 is a wasteful number, since it uses less digits than its factorization.

131066503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 131066503 is about 11448.4279706866. The cubic root of 131066503 is about 507.9612353395.

The spelling of 131066503 in words is "one hundred thirty-one million, sixty-six thousand, five hundred three".