141305321 has 2 divisors, whose sum is σ = 141305322. Its totient is φ = 141305320.

The previous prime is 141305303. The next prime is 141305357. The reversal of 141305321 is 123503141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136305625 + 4999696 = 11675^2 + 2236^2 .

It is a cyclic number.

It is not a de Polignac number, because 141305321 - 2¹⁰ = 141304297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141305293 and 141305302.

It is not a weakly prime, because it can be changed into another prime (141305221) 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, 70652660 + 70652661.

It is an arithmetic number, because the mean of its divisors is an integer number (70652661).

Almost surely, 2^141305321 is an apocalyptic number.

It is an amenable number.

141305321 is a deficient number, since it is larger than the sum of its proper divisors (1).

141305321 is an equidigital number, since it uses as much as digits as its factorization.

141305321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 141305321 is about 11887.1914681307. The cubic root of 141305321 is about 520.8581994798.

Adding to 141305321 its reverse (123503141), we get a palindrome (264808462).

The spelling of 141305321 in words is "one hundred forty-one million, three hundred five thousand, three hundred twenty-one".