320010011321 has 128 divisors (see below), whose sum is σ = 470896312320. Its totient is φ = 209076940800.

The previous prime is 320010011317. The next prime is 320010011329. The reversal of 320010011321 is 123110010023.

It is not a de Polignac number, because 320010011321 - 2² = 320010011317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320010011296 and 320010011305.

It is not an unprimeable number, because it can be changed into a prime (320010011329) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 288556715 + ... + 288557823.

It is an arithmetic number, because the mean of its divisors is an integer number (3678877440).

Almost surely, 2^320010011321 is an apocalyptic number.

320010011321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

320010011321 is a deficient number, since it is larger than the sum of its proper divisors (150886300999).

320010011321 is a wasteful number, since it uses less digits than its factorization.

320010011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 320010011321 its reverse (123110010023), we get a palindrome (443120021344).

The spelling of 320010011321 in words is "three hundred twenty billion, ten million, eleven thousand, three hundred twenty-one".