131893503 has 16 divisors (see below), whose sum is σ = 201143040. Its totient is φ = 75306816.

The previous prime is 131893501. The next prime is 131893507. The reversal of 131893503 is 305398131.

It is not a de Polignac number, because 131893503 - 2¹ = 131893501 is a prime.

It is a super-2 number, since 2×131893503² = 34791792267222018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131893501) 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, 43408 + ... + 46346.

It is an arithmetic number, because the mean of its divisors is an integer number (12571440).

Almost surely, 2^131893503 is an apocalyptic number.

131893503 is a deficient number, since it is larger than the sum of its proper divisors (69249537).

131893503 is a wasteful number, since it uses less digits than its factorization.

131893503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 131893503 is about 11484.4896708561. The cubic root of 131893503 is about 509.0273696336.

The spelling of 131893503 in words is "one hundred thirty-one million, eight hundred ninety-three thousand, five hundred three".