2001311230213 has 16 divisors (see below), whose sum is σ = 2029314067200. Its totient is φ = 1973377074240.

The previous prime is 2001311230201. The next prime is 2001311230229. The reversal of 2001311230213 is 3120321131002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001311230213 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 (2001311230013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221649183 + ... + 221658211.

It is an arithmetic number, because the mean of its divisors is an integer number (126832129200).

Almost surely, 2^{2001311230213} is an apocalyptic number.

It is an amenable number.

2001311230213 is a deficient number, since it is larger than the sum of its proper divisors (28002836987).

2001311230213 is a wasteful number, since it uses less digits than its factorization.

2001311230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2001311230213 its reverse (3120321131002), we get a palindrome (5121632361215).

The spelling of 2001311230213 in words is "two trillion, one billion, three hundred eleven million, two hundred thirty thousand, two hundred thirteen".