131280331 has 8 divisors (see below), whose sum is σ = 161575904. Its totient is φ = 103870080.

The previous prime is 131280301. The next prime is 131280371. The reversal of 131280331 is 133082131.

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 131280331 - 2¹³ = 131272139 is a prime.

It is a super-2 number, since 2×131280331² = 34469050614939122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131280301) 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, 721230 + ... + 721411.

It is an arithmetic number, because the mean of its divisors is an integer number (20196988).

Almost surely, 2^131280331 is an apocalyptic number.

131280331 is a deficient number, since it is larger than the sum of its proper divisors (30295573).

131280331 is a wasteful number, since it uses less digits than its factorization.

131280331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442661.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 131280331 is about 11457.7629142865. The cubic root of 131280331 is about 508.2373224626.

The spelling of 131280331 in words is "one hundred thirty-one million, two hundred eighty thousand, three hundred thirty-one".