10331403209 has 4 divisors (see below), whose sum is σ = 10331718804. Its totient is φ = 10331087616.

The previous prime is 10331403179. The next prime is 10331403223. The reversal of 10331403209 is 90230413301.

It is a happy number.

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 5922841600 + 4408561609 = 76960^2 + 66397^2 .

It is a cyclic number.

It is not a de Polignac number, because 10331403209 - 2¹⁶ = 10331337673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10331405209) 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, 102152 + ... + 176345.

It is an arithmetic number, because the mean of its divisors is an integer number (2582929701).

Almost surely, 2^10331403209 is an apocalyptic number.

It is an amenable number.

10331403209 is a deficient number, since it is larger than the sum of its proper divisors (315595).

10331403209 is an equidigital number, since it uses as much as digits as its factorization.

10331403209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315594.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 10331403209 in words is "ten billion, three hundred thirty-one million, four hundred three thousand, two hundred nine".