103406335405 has 4 divisors (see below), whose sum is σ = 124087602492. Its totient is φ = 82725068320.

The previous prime is 103406335391. The next prime is 103406335411. The reversal of 103406335405 is 504533604301.

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 19044552004 + 84361783401 = 138002^2 + 290451^2 .

It is not a de Polignac number, because 103406335405 - 2⁹ = 103406334893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10340633536 + ... + 10340633545.

It is an arithmetic number, because the mean of its divisors is an integer number (31021900623).

Almost surely, 2^103406335405 is an apocalyptic number.

It is an amenable number.

103406335405 is a deficient number, since it is larger than the sum of its proper divisors (20681267087).

103406335405 is an equidigital number, since it uses as much as digits as its factorization.

103406335405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20681267086.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 103406335405 its reverse (504533604301), we get a palindrome (607939939706).

The spelling of 103406335405 in words is "one hundred three billion, four hundred six million, three hundred thirty-five thousand, four hundred five".