2001333213 has 24 divisors (see below), whose sum is σ = 3319598880. Its totient is φ = 1149089760.

The previous prime is 2001333203. The next prime is 2001333223. The reversal of 2001333213 is 3123331002.

It is an interprime number because it is at equal distance from previous prime (2001333203) and next prime (2001333223).

It is not a de Polignac number, because 2001333213 - 2¹³ = 2001325021 is a prime.

It is a super-3 number, since 3×2001333213³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001333203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530106 + ... + 533867.

It is an arithmetic number, because the mean of its divisors is an integer number (138316620).

Almost surely, 2^2001333213 is an apocalyptic number.

It is an amenable number.

2001333213 is a deficient number, since it is larger than the sum of its proper divisors (1318265667).

2001333213 is a wasteful number, since it uses less digits than its factorization.

2001333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064009 (or 1064006 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2001333213 is about 44736.2628412343. The cubic root of 2001333213 is about 1260.2009448979.

Adding to 2001333213 its reverse (3123331002), we get a palindrome (5124664215).

The spelling of 2001333213 in words is "two billion, one million, three hundred thirty-three thousand, two hundred thirteen".