2001338383 has 8 divisors (see below), whose sum is σ = 2185454160. Its totient is φ = 1817585280.

The previous prime is 2001338377. The next prime is 2001338389. The reversal of 2001338383 is 3838331002.

It is an interprime number because it is at equal distance from previous prime (2001338377) and next prime (2001338389).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001338383 - 2¹⁷ = 2001207311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001338389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79060 + ... + 101257.

It is an arithmetic number, because the mean of its divisors is an integer number (273181770).

Almost surely, 2^2001338383 is an apocalyptic number.

2001338383 is a deficient number, since it is larger than the sum of its proper divisors (184115777).

2001338383 is a wasteful number, since it uses less digits than its factorization.

2001338383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181337.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2001338383 is about 44736.3206242981. The cubic root of 2001338383 is about 1260.2020300468.

Adding to 2001338383 its reverse (3838331002), we get a palindrome (5839669385).

The spelling of 2001338383 in words is "two billion, one million, three hundred thirty-eight thousand, three hundred eighty-three".