202143320329 has 2 divisors, whose sum is σ = 202143320330. Its totient is φ = 202143320328.

The previous prime is 202143320287. The next prime is 202143320441. The reversal of 202143320329 is 923023341202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178019017929 + 24124302400 = 421923^2 + 155320^2 .

It is a cyclic number.

It is not a de Polignac number, because 202143320329 - 2⁷ = 202143320201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202143320329.

It is not a weakly prime, because it can be changed into another prime (202143321329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071660164 + 101071660165.

It is an arithmetic number, because the mean of its divisors is an integer number (101071660165).

Almost surely, 2^202143320329 is an apocalyptic number.

It is an amenable number.

202143320329 is a deficient number, since it is larger than the sum of its proper divisors (1).

202143320329 is an equidigital number, since it uses as much as digits as its factorization.

202143320329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 202143320329 in words is "two hundred two billion, one hundred forty-three million, three hundred twenty thousand, three hundred twenty-nine".