102201317 has 2 divisors, whose sum is σ = 102201318. Its totient is φ = 102201316.

The previous prime is 102201311. The next prime is 102201373. The reversal of 102201317 is 713102201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101888836 + 312481 = 10094^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 102201317 - 2⁴ = 102201301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102201295 and 102201304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102201311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100658 + 51100659.

It is an arithmetic number, because the mean of its divisors is an integer number (51100659).

Almost surely, 2^102201317 is an apocalyptic number.

It is an amenable number.

102201317 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201317 is an equidigital number, since it uses as much as digits as its factorization.

102201317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 102201317 is about 10109.4667020570. The cubic root of 102201317 is about 467.5400627205.

Adding to 102201317 its reverse (713102201), we get a palindrome (815303518).

The spelling of 102201317 in words is "one hundred two million, two hundred one thousand, three hundred seventeen".