2001232011313 has 4 divisors (see below), whose sum is σ = 2013978712180. Its totient is φ = 1988485310448.

The previous prime is 2001232011307. The next prime is 2001232011329. The reversal of 2001232011313 is 3131102321002.

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 304590298609 + 1696641712704 = 551897^2 + 1302552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001232011313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001232011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6373350198 + ... + 6373350511.

It is an arithmetic number, because the mean of its divisors is an integer number (503494678045).

Almost surely, 2^{2001232011313} is an apocalyptic number.

It is an amenable number.

2001232011313 is a deficient number, since it is larger than the sum of its proper divisors (12746700867).

2001232011313 is a wasteful number, since it uses less digits than its factorization.

2001232011313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746700866.

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

Adding to 2001232011313 its reverse (3131102321002), we get a palindrome (5132334332315).

The spelling of 2001232011313 in words is "two trillion, one billion, two hundred thirty-two million, eleven thousand, three hundred thirteen".