131132443 has 16 divisors (see below), whose sum is σ = 143236800. Its totient is φ = 119332224.

The previous prime is 131132437. The next prime is 131132483. The reversal of 131132443 is 344231131.

It is a cyclic number.

It is not a de Polignac number, because 131132443 - 2⁵ = 131132411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131132423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447405 + ... + 447697.

It is an arithmetic number, because the mean of its divisors is an integer number (8952300).

Almost surely, 2^131132443 is an apocalyptic number.

131132443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131132443 is a deficient number, since it is larger than the sum of its proper divisors (12104357).

131132443 is a wasteful number, since it uses less digits than its factorization.

131132443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its digits is 864, while the sum is 22.

The square root of 131132443 is about 11451.3074799343. The cubic root of 131132443 is about 508.0464067284.

Adding to 131132443 its reverse (344231131), we get a palindrome (475363574).

The spelling of 131132443 in words is "one hundred thirty-one million, one hundred thirty-two thousand, four hundred forty-three".