202143321293 has 2 divisors, whose sum is σ = 202143321294. Its totient is φ = 202143321292.

The previous prime is 202143321241. The next prime is 202143321307. The reversal of 202143321293 is 392123341202.

202143321293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149060082889 + 53083238404 = 386083^2 + 230398^2 .

It is a cyclic number.

It is not a de Polignac number, because 202143321293 - 2¹⁶ = 202143255757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202143323293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071660646 + 101071660647.

It is an arithmetic number, because the mean of its divisors is an integer number (101071660647).

Almost surely, 2^202143321293 is an apocalyptic number.

It is an amenable number.

202143321293 is a deficient number, since it is larger than the sum of its proper divisors (1).

202143321293 is an equidigital number, since it uses as much as digits as its factorization.

202143321293 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 32.

Adding to 202143321293 its reverse (392123341202), we get a palindrome (594266662495).

The spelling of 202143321293 in words is "two hundred two billion, one hundred forty-three million, three hundred twenty-one thousand, two hundred ninety-three".