103697348657321 has 2 divisors, whose sum is σ = 103697348657322. Its totient is φ = 103697348657320.

The previous prime is 103697348657261. The next prime is 103697348657327. The reversal of 103697348657321 is 123756843796301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99442060420096 + 4255288237225 = 9972064^2 + 2062835^2 .

It is an emirp because it is prime and its reverse (123756843796301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103697348657321 - 2¹⁴ = 103697348640937 is a prime.

It is not a weakly prime, because it can be changed into another prime (103697348657327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51848674328660 + 51848674328661.

It is an arithmetic number, because the mean of its divisors is an integer number (51848674328661).

It is a 1-persistent number, because it is pandigital, but 2⋅103697348657321 = 207394697314642 is not.

Almost surely, 2^{103697348657321} is an apocalyptic number.

It is an amenable number.

103697348657321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103697348657321 is an equidigital number, since it uses as much as digits as its factorization.

103697348657321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137168640, while the sum is 65.

The spelling of 103697348657321 in words is "one hundred three trillion, six hundred ninety-seven billion, three hundred forty-eight million, six hundred fifty-seven thousand, three hundred twenty-one".