321133203113 has 4 divisors (see below), whose sum is σ = 321146326020. Its totient is φ = 321120080208.

The previous prime is 321133203103. The next prime is 321133203169. The reversal of 321133203113 is 311302331123.

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 74116251049 + 247016952064 = 272243^2 + 497008^2 .

It is a cyclic number.

It is not a de Polignac number, because 321133203113 - 2³⁶ = 252413726377 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 (321133203103) 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, 6524678 + ... + 6573711.

It is an arithmetic number, because the mean of its divisors is an integer number (80286581505).

Almost surely, 2^321133203113 is an apocalyptic number.

It is an amenable number.

321133203113 is a deficient number, since it is larger than the sum of its proper divisors (13122907).

321133203113 is a wasteful number, since it uses less digits than its factorization.

321133203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13122906.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 321133203113 its reverse (311302331123), we get a palindrome (632435534236).

The spelling of 321133203113 in words is "three hundred twenty-one billion, one hundred thirty-three million, two hundred three thousand, one hundred thirteen".