131423041 has 4 divisors (see below), whose sum is σ = 135954900. Its totient is φ = 126891184.

The previous prime is 131423027. The next prime is 131423051. The reversal of 131423041 is 140324131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25250625 + 106172416 = 5025^2 + 10304^2 .

It is a cyclic number.

It is not a de Polignac number, because 131423041 - 2⁵ = 131423009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131423011) 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, 2265886 + ... + 2265943.

It is an arithmetic number, because the mean of its divisors is an integer number (33988725).

Almost surely, 2^131423041 is an apocalyptic number.

It is an amenable number.

131423041 is a deficient number, since it is larger than the sum of its proper divisors (4531859).

131423041 is an equidigital number, since it uses as much as digits as its factorization.

131423041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531858.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131423041 is about 11463.9888782221. The cubic root of 131423041 is about 508.4214177795.

Adding to 131423041 its reverse (140324131), we get a palindrome (271747172).

The spelling of 131423041 in words is "one hundred thirty-one million, four hundred twenty-three thousand, forty-one".