2011321031333 has 4 divisors (see below), whose sum is σ = 2011334168640. Its totient is φ = 2011307894028.

The previous prime is 2011321031309. The next prime is 2011321031387. The reversal of 2011321031333 is 3331301231102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011321031333 - 2³⁴ = 1994141162149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011321031299 and 2011321031308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011321081333) 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, 6336263 + ... + 6646116.

It is an arithmetic number, because the mean of its divisors is an integer number (502833542160).

Almost surely, 2^{2011321031333} is an apocalyptic number.

It is an amenable number.

2011321031333 is a deficient number, since it is larger than the sum of its proper divisors (13137307).

2011321031333 is a wasteful number, since it uses less digits than its factorization.

2011321031333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137306.

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

Adding to 2011321031333 its reverse (3331301231102), we get a palindrome (5342622262435).

The spelling of 2011321031333 in words is "two trillion, eleven billion, three hundred twenty-one million, thirty-one thousand, three hundred thirty-three".