143132016316021 has 2 divisors, whose sum is σ = 143132016316022. Its totient is φ = 143132016316020.

The previous prime is 143132016316013. The next prime is 143132016316031. The reversal of 143132016316021 is 120613610231341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141021301307121 + 2110715008900 = 11875239^2 + 1452830^2 .

It is a cyclic number.

It is not a de Polignac number, because 143132016316021 - 2³ = 143132016316013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143132016316001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71566008158010 + 71566008158011.

It is an arithmetic number, because the mean of its divisors is an integer number (71566008158011).

Almost surely, 2^{143132016316021} is an apocalyptic number.

It is an amenable number.

143132016316021 is a deficient number, since it is larger than the sum of its proper divisors (1).

143132016316021 is an equidigital number, since it uses as much as digits as its factorization.

143132016316021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 143132016316021 its reverse (120613610231341), we get a palindrome (263745626547362).

The spelling of 143132016316021 in words is "one hundred forty-three trillion, one hundred thirty-two billion, sixteen million, three hundred sixteen thousand, twenty-one".