131043888 has 120 divisors (see below), whose sum is σ = 391716000. Its totient is φ = 40753152.

The previous prime is 131043883. The next prime is 131043889. The reversal of 131043888 is 888340131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (131043881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487018 + ... + 487286.

It is an arithmetic number, because the mean of its divisors is an integer number (3264300).

Almost surely, 2^131043888 is an apocalyptic number.

131043888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131043888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195858000).

131043888 is an abundant number, since it is smaller than the sum of its proper divisors (260672112).

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

131043888 is a wasteful number, since it uses less digits than its factorization.

131043888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 131043888 is about 11447.4402378872. The cubic root of 131043888 is about 507.9320181003.

The spelling of 131043888 in words is "one hundred thirty-one million, forty-three thousand, eight hundred eighty-eight".