132310021 has 2 divisors, whose sum is σ = 132310022. Its totient is φ = 132310020.

The previous prime is 132310019. The next prime is 132310033. The reversal of 132310021 is 120013231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130279396 + 2030625 = 11414^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 132310021 - 2¹ = 132310019 is a prime.

Together with 132310019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 132309983 and 132310010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132310081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66155010 + 66155011.

It is an arithmetic number, because the mean of its divisors is an integer number (66155011).

Almost surely, 2^132310021 is an apocalyptic number.

It is an amenable number.

132310021 is a deficient number, since it is larger than the sum of its proper divisors (1).

132310021 is an equidigital number, since it uses as much as digits as its factorization.

132310021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 132310021 is about 11502.6093126734. The cubic root of 132310021 is about 509.5626405488.

Adding to 132310021 its reverse (120013231), we get a palindrome (252323252).

The spelling of 132310021 in words is "one hundred thirty-two million, three hundred ten thousand, twenty-one".