141310021 has 2 divisors, whose sum is σ = 141310022. Its totient is φ = 141310020.

The previous prime is 141309991. The next prime is 141310027. The reversal of 141310021 is 120013141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79121025 + 62188996 = 8895^2 + 7886^2 .

It is an emirp because it is prime and its reverse (120013141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141310021 - 2¹¹ = 141307973 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 141309983 and 141310010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141310027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70655010 + 70655011.

It is an arithmetic number, because the mean of its divisors is an integer number (70655011).

Almost surely, 2^141310021 is an apocalyptic number.

It is an amenable number.

141310021 is a deficient number, since it is larger than the sum of its proper divisors (1).

141310021 is an equidigital number, since it uses as much as digits as its factorization.

141310021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 141310021 is about 11887.3891582635. The cubic root of 141310021 is about 520.8639742244.

Adding to 141310021 its reverse (120013141), we get a palindrome (261323162).

The spelling of 141310021 in words is "one hundred forty-one million, three hundred ten thousand, twenty-one".