103717145321 has 2 divisors, whose sum is σ = 103717145322. Its totient is φ = 103717145320.

The previous prime is 103717145291. The next prime is 103717145341. The reversal of 103717145321 is 123541717301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87060403600 + 16656741721 = 295060^2 + 129061^2 .

It is an emirp because it is prime and its reverse (123541717301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103717145321 - 2³⁰ = 102643403497 is a prime.

It is not a weakly prime, because it can be changed into another prime (103717145341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51858572660 + 51858572661.

It is an arithmetic number, because the mean of its divisors is an integer number (51858572661).

Almost surely, 2^103717145321 is an apocalyptic number.

It is an amenable number.

103717145321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103717145321 is an equidigital number, since it uses as much as digits as its factorization.

103717145321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 103717145321 in words is "one hundred three billion, seven hundred seventeen million, one hundred forty-five thousand, three hundred twenty-one".