320008203813 has 16 divisors (see below), whose sum is σ = 453056132736. Its totient is φ = 200220641280.

The previous prime is 320008203811. The next prime is 320008203913. The reversal of 320008203813 is 318302800023.

It is not a de Polignac number, because 320008203813 - 2¹ = 320008203811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320008203811) 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 15 ways as a sum of consecutive naturals, for example, 8869633 + ... + 8905638.

It is an arithmetic number, because the mean of its divisors is an integer number (28316008296).

Almost surely, 2^320008203813 is an apocalyptic number.

It is an amenable number.

320008203813 is a deficient number, since it is larger than the sum of its proper divisors (133047928923).

320008203813 is a wasteful number, since it uses less digits than its factorization.

320008203813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17775644.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 320008203813 in words is "three hundred twenty billion, eight million, two hundred three thousand, eight hundred thirteen".