2031210331013 has 4 divisors (see below), whose sum is σ = 2031213312108. Its totient is φ = 2031207349920.

The previous prime is 2031210331001. The next prime is 2031210331063. The reversal of 2031210331013 is 3101330121302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 794526215044 + 1236684115969 = 891362^2 + 1112063^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031210331013 - 2¹⁰ = 2031210329989 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 (2031210331063) 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, 90545 + ... + 2017577.

It is an arithmetic number, because the mean of its divisors is an integer number (507803328027).

Almost surely, 2^{2031210331013} is an apocalyptic number.

It is an amenable number.

2031210331013 is a deficient number, since it is larger than the sum of its proper divisors (2981095).

2031210331013 is a wasteful number, since it uses less digits than its factorization.

2031210331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981094.

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

Adding to 2031210331013 its reverse (3101330121302), we get a palindrome (5132540452315).

The spelling of 2031210331013 in words is "two trillion, thirty-one billion, two hundred ten million, three hundred thirty-one thousand, thirteen".