102103812317 has 4 divisors (see below), whose sum is σ = 109957951740. Its totient is φ = 94249672896.

The previous prime is 102103812259. The next prime is 102103812323. The reversal of 102103812317 is 713218301201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 713218301201 = 7 ⋅101888328743.

It can be written as a sum of positive squares in 2 ways, for example, as 9922351321 + 92181460996 = 99611^2 + 303614^2 .

It is a cyclic number.

It is not a de Polignac number, because 102103812317 - 2²⁴ = 102087035101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102103812317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103812337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927069692 + ... + 3927069717.

It is an arithmetic number, because the mean of its divisors is an integer number (27489487935).

Almost surely, 2^102103812317 is an apocalyptic number.

It is an amenable number.

102103812317 is a deficient number, since it is larger than the sum of its proper divisors (7854139423).

102103812317 is an equidigital number, since it uses as much as digits as its factorization.

102103812317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854139422.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 102103812317 in words is "one hundred two billion, one hundred three million, eight hundred twelve thousand, three hundred seventeen".