131130331 has 8 divisors (see below), whose sum is σ = 134980560. Its totient is φ = 127296288.

The previous prime is 131130317. The next prime is 131130347. The reversal of 131130331 is 133031131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131130331 - 2⁷ = 131130203 is a prime.

It is a super-2 number, since 2×131130331² = 34390327416339122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131130361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13485 + ... + 21073.

It is an arithmetic number, because the mean of its divisors is an integer number (16872570).

Almost surely, 2^131130331 is an apocalyptic number.

131130331 is a deficient number, since it is larger than the sum of its proper divisors (3850229).

131130331 is an equidigital number, since it uses as much as digits as its factorization.

131130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8093.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 131130331 is about 11451.2152630190. The cubic root of 131130331 is about 508.0436792066.

Adding to 131130331 its reverse (133031131), we get a palindrome (264161462).

The spelling of 131130331 in words is "one hundred thirty-one million, one hundred thirty thousand, three hundred thirty-one".