102081317 has 8 divisors (see below), whose sum is σ = 110962656. Its totient is φ = 93346992.

The previous prime is 102081299. The next prime is 102081323. The reversal of 102081317 is 713180201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102081317 - 2¹² = 102077221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102081292 and 102081301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102081347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35303 + ... + 38084.

It is an arithmetic number, because the mean of its divisors is an integer number (13870332).

Almost surely, 2^102081317 is an apocalyptic number.

It is an amenable number.

102081317 is a deficient number, since it is larger than the sum of its proper divisors (8881339).

102081317 is a wasteful number, since it uses less digits than its factorization.

102081317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73507.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 102081317 is about 10103.5299277035. The cubic root of 102081317 is about 467.3570031734.

The spelling of 102081317 in words is "one hundred two million, eighty-one thousand, three hundred seventeen".