2001202331313 has 16 divisors (see below), whose sum is σ = 2672764226496. Its totient is φ = 1331888644800.

The previous prime is 2001202331311. The next prime is 2001202331333. The reversal of 2001202331313 is 3131332021002.

It is not a de Polignac number, because 2001202331313 - 2¹ = 2001202331311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001202331313.

It is not an unprimeable number, because it can be changed into a prime (2001202331311) 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, 8179995 + ... + 8421087.

It is an arithmetic number, because the mean of its divisors is an integer number (167047764156).

Almost surely, 2^{2001202331313} is an apocalyptic number.

It is an amenable number.

2001202331313 is a deficient number, since it is larger than the sum of its proper divisors (671561895183).

2001202331313 is a wasteful number, since it uses less digits than its factorization.

2001202331313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245744.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2001202331313 its reverse (3131332021002), we get a palindrome (5132534352315).

The spelling of 2001202331313 in words is "two trillion, one billion, two hundred two million, three hundred thirty-one thousand, three hundred thirteen".