2331001321013 has 4 divisors (see below), whose sum is σ = 2411380676940. Its totient is φ = 2250621965088.

The previous prime is 2331001321009. The next prime is 2331001321057. The reversal of 2331001321013 is 3101231001332.

2331001321013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1005882625969 + 1325118695044 = 1002937^2 + 1151138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331001321013 - 2² = 2331001321009 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 (2331001321513) 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, 40189677920 + ... + 40189677977.

It is an arithmetic number, because the mean of its divisors is an integer number (602845169235).

Almost surely, 2^{2331001321013} is an apocalyptic number.

It is an amenable number.

2331001321013 is a deficient number, since it is larger than the sum of its proper divisors (80379355927).

2331001321013 is an equidigital number, since it uses as much as digits as its factorization.

2331001321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80379355926.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2331001321013 its reverse (3101231001332), we get a palindrome (5432232322345).

The spelling of 2331001321013 in words is "two trillion, three hundred thirty-one billion, one million, three hundred twenty-one thousand, thirteen".