131187882 has 16 divisors (see below), whose sum is σ = 299858112. Its totient is φ = 37482240.

The previous prime is 131187863. The next prime is 131187887. The reversal of 131187882 is 288781131.

It is a super-3 number, since 3×131187882³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131187882.

It is not an unprimeable number, because it can be changed into a prime (131187887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561719 + ... + 1561802.

It is an arithmetic number, because the mean of its divisors is an integer number (18741132).

Almost surely, 2^131187882 is an apocalyptic number.

131187882 is an abundant number, since it is smaller than the sum of its proper divisors (168670230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131187882 is a wasteful number, since it uses less digits than its factorization.

131187882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123533.

The product of its digits is 21504, while the sum is 39.

The square root of 131187882 is about 11453.7278647609. The cubic root of 131187882 is about 508.1179924113.

The spelling of 131187882 in words is "one hundred thirty-one million, one hundred eighty-seven thousand, eight hundred eighty-two".