202102301243 has 2 divisors, whose sum is σ = 202102301244. Its totient is φ = 202102301242.

The previous prime is 202102301213. The next prime is 202102301257. The reversal of 202102301243 is 342103201202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202102301243 - 2¹⁶ = 202102235707 is a prime.

It is not a weakly prime, because it can be changed into another prime (202102301213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051150621 + 101051150622.

It is an arithmetic number, because the mean of its divisors is an integer number (101051150622).

Almost surely, 2^202102301243 is an apocalyptic number.

202102301243 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102301243 is an equidigital number, since it uses as much as digits as its factorization.

202102301243 is an evil number, because the sum of its binary digits is even.

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

Adding to 202102301243 its reverse (342103201202), we get a palindrome (544205502445).

The spelling of 202102301243 in words is "two hundred two billion, one hundred two million, three hundred one thousand, two hundred forty-three".