202102310302513 has 2 divisors, whose sum is σ = 202102310302514. Its totient is φ = 202102310302512.

The previous prime is 202102310302483. The next prime is 202102310302591. The reversal of 202102310302513 is 315203013201202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199046047623424 + 3056262679089 = 14108368^2 + 1748217^2 .

It is a cyclic number.

It is not a de Polignac number, because 202102310302513 - 2¹³ = 202102310294321 is a prime.

It is a super-2 number, since 2×202102310302513² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202102310372513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051155151256 + 101051155151257.

It is an arithmetic number, because the mean of its divisors is an integer number (101051155151257).

Almost surely, 2^{202102310302513} is an apocalyptic number.

It is an amenable number.

202102310302513 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102310302513 is an equidigital number, since it uses as much as digits as its factorization.

202102310302513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 202102310302513 its reverse (315203013201202), we get a palindrome (517305323503715).

The spelling of 202102310302513 in words is "two hundred two trillion, one hundred two billion, three hundred ten million, three hundred two thousand, five hundred thirteen".