131033443 has 8 divisors (see below), whose sum is σ = 138067200. Its totient is φ = 124013448.

The previous prime is 131033401. The next prime is 131033459. The reversal of 131033443 is 344330131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131033443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131033473) 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, 20418 + ... + 26056.

It is an arithmetic number, because the mean of its divisors is an integer number (17258400).

Almost surely, 2^131033443 is an apocalyptic number.

131033443 is a deficient number, since it is larger than the sum of its proper divisors (7033757).

131033443 is a wasteful number, since it uses less digits than its factorization.

131033443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 131033443 is about 11446.9840132674. The cubic root of 131033443 is about 507.9185226447.

Adding to 131033443 its reverse (344330131), we get a palindrome (475363574).

The spelling of 131033443 in words is "one hundred thirty-one million, thirty-three thousand, four hundred forty-three".