131784103 has 16 divisors (see below), whose sum is σ = 146666016. Its totient is φ = 117411840.

The previous prime is 131784077. The next prime is 131784139. The reversal of 131784103 is 301487131.

It is a cyclic number.

It is not a de Polignac number, because 131784103 - 2⁹ = 131783591 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 (131784803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120025 + ... + 121117.

It is an arithmetic number, because the mean of its divisors is an integer number (9166626).

Almost surely, 2^131784103 is an apocalyptic number.

131784103 is a deficient number, since it is larger than the sum of its proper divisors (14881913).

131784103 is a wasteful number, since it uses less digits than its factorization.

131784103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 131784103 is about 11479.7257371420. The cubic root of 131784103 is about 508.8865919180.

The spelling of 131784103 in words is "one hundred thirty-one million, seven hundred eighty-four thousand, one hundred three".