131200443 has 24 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 79197360.

The previous prime is 131200429. The next prime is 131200469. The reversal of 131200443 is 344002131.

It is not a de Polignac number, because 131200443 - 2⁵ = 131200411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131200343) 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 23 ways as a sum of consecutive naturals, for example, 23518 + ... + 28556.

It is an arithmetic number, because the mean of its divisors is an integer number (8648640).

Almost surely, 2^131200443 is an apocalyptic number.

131200443 is a deficient number, since it is larger than the sum of its proper divisors (76366917).

131200443 is a wasteful number, since it uses less digits than its factorization.

131200443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319 (or 5316 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 131200443 is about 11454.2761883936. The cubic root of 131200443 is about 508.1342090169.

Adding to 131200443 its reverse (344002131), we get a palindrome (475202574).

The spelling of 131200443 in words is "one hundred thirty-one million, two hundred thousand, four hundred forty-three".