132431161 has 2 divisors, whose sum is σ = 132431162. Its totient is φ = 132431160.

The previous prime is 132431149. The next prime is 132431179. The reversal of 132431161 is 161134231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121000000 + 11431161 = 11000^2 + 3381^2 .

It is a cyclic number.

It is not a de Polignac number, because 132431161 - 2¹⁵ = 132398393 is a prime.

It is not a weakly prime, because it can be changed into another prime (132431261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66215580 + 66215581.

It is an arithmetic number, because the mean of its divisors is an integer number (66215581).

Almost surely, 2^132431161 is an apocalyptic number.

It is an amenable number.

132431161 is a deficient number, since it is larger than the sum of its proper divisors (1).

132431161 is an equidigital number, since it uses as much as digits as its factorization.

132431161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 132431161 is about 11507.8738696599. The cubic root of 132431161 is about 509.7181077068.

Adding to 132431161 its reverse (161134231), we get a palindrome (293565392).

The spelling of 132431161 in words is "one hundred thirty-two million, four hundred thirty-one thousand, one hundred sixty-one".