131281130 has 16 divisors (see below), whose sum is σ = 239635584. Its totient is φ = 51772560.

The previous prime is 131281099. The next prime is 131281169. The reversal of 131281130 is 31182131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91742 + ... + 93161.

It is an arithmetic number, because the mean of its divisors is an integer number (14977224).

Almost surely, 2^131281130 is an apocalyptic number.

131281130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131281130 is a deficient number, since it is larger than the sum of its proper divisors (108354454).

131281130 is a wasteful number, since it uses less digits than its factorization.

131281130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184981.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 131281130 is about 11457.7977814238. The cubic root of 131281130 is about 508.2383535407.

The spelling of 131281130 in words is "one hundred thirty-one million, two hundred eighty-one thousand, one hundred thirty".