131181882 has 32 divisors (see below), whose sum is σ = 283036992. Its totient is φ = 40293504.

The previous prime is 131181881. The next prime is 131181889. The reversal of 131181882 is 288181131.

It is not an unprimeable number, because it can be changed into a prime (131181881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60318 + ... + 62454.

It is an arithmetic number, because the mean of its divisors is an integer number (8844906).

Almost surely, 2^131181882 is an apocalyptic number.

131181882 is an abundant number, since it is smaller than the sum of its proper divisors (151855110).

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

131181882 is a wasteful number, since it uses less digits than its factorization.

131181882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its digits is 3072, while the sum is 33.

The square root of 131181882 is about 11453.4659383088. The cubic root of 131181882 is about 508.1102458766.

The spelling of 131181882 in words is "one hundred thirty-one million, one hundred eighty-one thousand, eight hundred eighty-two".