103371809 has 4 divisors (see below), whose sum is σ = 104533380. Its totient is φ = 102210240.

The previous prime is 103371803. The next prime is 103371823. The reversal of 103371809 is 908173301.

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 55830784 + 47541025 = 7472^2 + 6895^2 .

It is a cyclic number.

It is not a de Polignac number, because 103371809 - 2²⁰ = 102323233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103371803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580652 + ... + 580829.

It is an arithmetic number, because the mean of its divisors is an integer number (26133345).

Almost surely, 2^103371809 is an apocalyptic number.

It is an amenable number.

103371809 is a deficient number, since it is larger than the sum of its proper divisors (1161571).

103371809 is an equidigital number, since it uses as much as digits as its factorization.

103371809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161570.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 103371809 is about 10167.1927787369. The cubic root of 103371809 is about 469.3181738743.

The spelling of 103371809 in words is "one hundred three million, three hundred seventy-one thousand, eight hundred nine".