2001313103333 has 4 divisors (see below), whose sum is σ = 2004168044268. Its totient is φ = 1998458162400.

The previous prime is 2001313103297. The next prime is 2001313103341. The reversal of 2001313103333 is 3333013131002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1312623907204 + 688689196129 = 1145698^2 + 829873^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001313103333 - 2¹⁸ = 2001312841189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001313103299 and 2001313103308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001313103833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427469416 + ... + 1427470817.

It is an arithmetic number, because the mean of its divisors is an integer number (501042011067).

Almost surely, 2^{2001313103333} is an apocalyptic number.

It is an amenable number.

2001313103333 is a deficient number, since it is larger than the sum of its proper divisors (2854940935).

2001313103333 is an equidigital number, since it uses as much as digits as its factorization.

2001313103333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854940934.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 2001313103333 its reverse (3333013131002), we get a palindrome (5334326234335).

The spelling of 2001313103333 in words is "two trillion, one billion, three hundred thirteen million, one hundred three thousand, three hundred thirty-three".