131887113 has 32 divisors (see below), whose sum is σ = 193228800. Its totient is φ = 79704000.

The previous prime is 131887111. The next prime is 131887127. The reversal of 131887113 is 311788131.

It is not a de Polignac number, because 131887113 - 2¹ = 131887111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131887111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178098 + ... + 178836.

It is an arithmetic number, because the mean of its divisors is an integer number (6038400).

Almost surely, 2^131887113 is an apocalyptic number.

It is an amenable number.

131887113 is a deficient number, since it is larger than the sum of its proper divisors (61341687).

131887113 is a wasteful number, since it uses less digits than its factorization.

131887113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its digits is 4032, while the sum is 33.

The square root of 131887113 is about 11484.2114661826. The cubic root of 131887113 is about 509.0191490178.

It can be divided in two parts, 13188 and 7113, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 131887113 in words is "one hundred thirty-one million, eight hundred eighty-seven thousand, one hundred thirteen".