10203548317 has 2 divisors, whose sum is σ = 10203548318. Its totient is φ = 10203548316.

The previous prime is 10203548279. The next prime is 10203548417. The reversal of 10203548317 is 71384530201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5908843161 + 4294705156 = 76869^2 + 65534^2 .

It is an emirp because it is prime and its reverse (71384530201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10203548317 is a prime.

It is a super-2 number, since 2×10203548317² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10203548417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101774158 + 5101774159.

It is an arithmetic number, because the mean of its divisors is an integer number (5101774159).

Almost surely, 2^10203548317 is an apocalyptic number.

It is an amenable number.

10203548317 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203548317 is an equidigital number, since it uses as much as digits as its factorization.

10203548317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 10203548317 in words is "ten billion, two hundred three million, five hundred forty-eight thousand, three hundred seventeen".