131032443 has 16 divisors (see below), whose sum is σ = 181149696. Its totient is φ = 84160320.

The previous prime is 131032441. The next prime is 131032457. The reversal of 131032443 is 344230131.

It is not a de Polignac number, because 131032443 - 2¹ = 131032441 is a prime.

It is a super-2 number, since 2×131032443² = 34339002237096498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131032441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18646 + ... + 24692.

It is an arithmetic number, because the mean of its divisors is an integer number (11321856).

Almost surely, 2^131032443 is an apocalyptic number.

131032443 is a deficient number, since it is larger than the sum of its proper divisors (50117253).

131032443 is a wasteful number, since it uses less digits than its factorization.

131032443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 131032443 is about 11446.9403335564. The cubic root of 131032443 is about 507.9172305578.

Adding to 131032443 its reverse (344230131), we get a palindrome (475262574).

The spelling of 131032443 in words is "one hundred thirty-one million, thirty-two thousand, four hundred forty-three".