202102302143 has 16 divisors (see below), whose sum is σ = 231532670016. Its totient is φ = 172811957760.

The previous prime is 202102302139. The next prime is 202102302169. The reversal of 202102302143 is 341203201202.

It is a cyclic number.

It is not a de Polignac number, because 202102302143 - 2² = 202102302139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202107302143) 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 in 15 ways as a sum of consecutive naturals, for example, 7078805 + ... + 7107297.

It is an arithmetic number, because the mean of its divisors is an integer number (14470791876).

Almost surely, 2^202102302143 is an apocalyptic number.

202102302143 is a deficient number, since it is larger than the sum of its proper divisors (29430367873).

202102302143 is a wasteful number, since it uses less digits than its factorization.

202102302143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30914.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202102302143 its reverse (341203201202), we get a palindrome (543305503345).

The spelling of 202102302143 in words is "two hundred two billion, one hundred two million, three hundred two thousand, one hundred forty-three".