131027443 has 4 divisors (see below), whose sum is σ = 131153400. Its totient is φ = 130901488.

The previous prime is 131027437. The next prime is 131027453. The reversal of 131027443 is 344720131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131027443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131027453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61405 + ... + 63502.

It is an arithmetic number, because the mean of its divisors is an integer number (32788350).

Almost surely, 2^131027443 is an apocalyptic number.

131027443 is a deficient number, since it is larger than the sum of its proper divisors (125957).

131027443 is a wasteful number, since it uses less digits than its factorization.

131027443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125956.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 131027443 is about 11446.7219325010. The cubic root of 131027443 is about 507.9107700243.

Adding to 131027443 its reverse (344720131), we get a palindrome (475747574).

The spelling of 131027443 in words is "one hundred thirty-one million, twenty-seven thousand, four hundred forty-three".