202313501317 has 2 divisors, whose sum is σ = 202313501318. Its totient is φ = 202313501316.

The previous prime is 202313501261. The next prime is 202313501329. The reversal of 202313501317 is 713105313202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174282035841 + 28031465476 = 417471^2 + 167426^2 .

It is a cyclic number.

It is not a de Polignac number, because 202313501317 - 2⁷ = 202313501189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202313501617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101156750658 + 101156750659.

It is an arithmetic number, because the mean of its divisors is an integer number (101156750659).

Almost surely, 2^202313501317 is an apocalyptic number.

It is an amenable number.

202313501317 is a deficient number, since it is larger than the sum of its proper divisors (1).

202313501317 is an equidigital number, since it uses as much as digits as its factorization.

202313501317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 202313501317 its reverse (713105313202), we get a palindrome (915418814519).

The spelling of 202313501317 in words is "two hundred two billion, three hundred thirteen million, five hundred one thousand, three hundred seventeen".