202313120302261 has 2 divisors, whose sum is σ = 202313120302262. Its totient is φ = 202313120302260.

The previous prime is 202313120302219. The next prime is 202313120302273. The reversal of 202313120302261 is 162203021313202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143985456367236 + 58327663935025 = 11999394^2 + 7637255^2 .

It is a cyclic number.

It is not a de Polignac number, because 202313120302261 - 2¹⁹ = 202313119777973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202313120302291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101156560151130 + 101156560151131.

It is an arithmetic number, because the mean of its divisors is an integer number (101156560151131).

Almost surely, 2^{202313120302261} is an apocalyptic number.

It is an amenable number.

202313120302261 is a deficient number, since it is larger than the sum of its proper divisors (1).

202313120302261 is an equidigital number, since it uses as much as digits as its factorization.

202313120302261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 202313120302261 its reverse (162203021313202), we get a palindrome (364516141615463).

The spelling of 202313120302261 in words is "two hundred two trillion, three hundred thirteen billion, one hundred twenty million, three hundred two thousand, two hundred sixty-one".