202102311473 has 2 divisors, whose sum is σ = 202102311474. Its totient is φ = 202102311472.

The previous prime is 202102311401. The next prime is 202102311491. The reversal of 202102311473 is 374113201202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139137952144 + 62964359329 = 373012^2 + 250927^2 .

It is a cyclic number.

It is not a de Polignac number, because 202102311473 - 2⁸ = 202102311217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (202102311373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051155736 + 101051155737.

It is an arithmetic number, because the mean of its divisors is an integer number (101051155737).

Almost surely, 2^202102311473 is an apocalyptic number.

It is an amenable number.

202102311473 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102311473 is an equidigital number, since it uses as much as digits as its factorization.

202102311473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 202102311473 its reverse (374113201202), we get a palindrome (576215512675).

The spelling of 202102311473 in words is "two hundred two billion, one hundred two million, three hundred eleven thousand, four hundred seventy-three".