102011317 has 2 divisors, whose sum is σ = 102011318. Its totient is φ = 102011316.

The previous prime is 102011269. The next prime is 102011333. The reversal of 102011317 is 713110201.

It is an a-pointer prime, because the next prime (102011333) can be obtained adding 102011317 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54552996 + 47458321 = 7386^2 + 6889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102011317 is a prime.

It is a super-4 number, since 4×102011317⁴ (a number of 33 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102011317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005658 + 51005659.

It is an arithmetic number, because the mean of its divisors is an integer number (51005659).

Almost surely, 2^102011317 is an apocalyptic number.

It is an amenable number.

102011317 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011317 is an equidigital number, since it uses as much as digits as its factorization.

102011317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 102011317 is about 10100.0651978094. The cubic root of 102011317 is about 467.2501521783.

Adding to 102011317 its reverse (713110201), we get a palindrome (815121518).

The spelling of 102011317 in words is "one hundred two million, eleven thousand, three hundred seventeen".