103843494217 has 4 divisors (see below), whose sum is σ = 103949783316. Its totient is φ = 103737205120.

The previous prime is 103843494203. The next prime is 103843494301. The reversal of 103843494217 is 712494348301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98653156281 + 5190337936 = 314091^2 + 72044^2 .

It is a cyclic number.

It is not a de Polignac number, because 103843494217 - 2¹⁹ = 103842969929 is a prime.

It is a super-2 number, since 2×103843494217² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103843494017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53143084 + ... + 53145037.

It is an arithmetic number, because the mean of its divisors is an integer number (25987445829).

Almost surely, 2^103843494217 is an apocalyptic number.

It is an amenable number.

103843494217 is a deficient number, since it is larger than the sum of its proper divisors (106289099).

103843494217 is an equidigital number, since it uses as much as digits as its factorization.

103843494217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106289098.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 103843494217 in words is "one hundred three billion, eight hundred forty-three million, four hundred ninety-four thousand, two hundred seventeen".