131858042103 has 20 divisors (see below), whose sum is σ = 196984395168. Its totient is φ = 87900331680.

The previous prime is 131858042083. The next prime is 131858042143. The reversal of 131858042103 is 301240858131.

131858042103 is a `hidden beast` number, since 1 + 31 + 8 + 580 + 42 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 131858042103 - 2¹⁸ = 131857779959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131858042143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1853275 + ... + 1923107.

Almost surely, 2^131858042103 is an apocalyptic number.

131858042103 is a deficient number, since it is larger than the sum of its proper divisors (65126353065).

131858042103 is an equidigital number, since it uses as much as digits as its factorization.

131858042103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93156 (or 93147 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 131858042103 in words is "one hundred thirty-one billion, eight hundred fifty-eight million, forty-two thousand, one hundred three".