131808883 has 4 divisors (see below), whose sum is σ = 137539728. Its totient is φ = 126078040.

The previous prime is 131808881. The next prime is 131808923. The reversal of 131808883 is 388808131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388808131 = 131 ⋅2968001.

It is a cyclic number.

It is not a de Polignac number, because 131808883 - 2¹ = 131808881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131808881) 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 3 ways as a sum of consecutive naturals, for example, 2865388 + ... + 2865433.

It is an arithmetic number, because the mean of its divisors is an integer number (34384932).

Almost surely, 2^131808883 is an apocalyptic number.

131808883 is a deficient number, since it is larger than the sum of its proper divisors (5730845).

131808883 is an equidigital number, since it uses as much as digits as its factorization.

131808883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730844.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 131808883 is about 11480.8049804881. The cubic root of 131808883 is about 508.9184860518.

The spelling of 131808883 in words is "one hundred thirty-one million, eight hundred eight thousand, eight hundred eighty-three".