3131002330013 has 4 divisors (see below), whose sum is σ = 3131005976160. Its totient is φ = 3130998683868.

The previous prime is 3131002330007. The next prime is 3131002330019. The reversal of 3131002330013 is 3100332001313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (3131002330007) and next prime (3131002330019).

It is a cyclic number.

It is not a de Polignac number, because 3131002330013 - 2¹² = 3131002325917 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 (3131002330019) 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 3 ways as a sum of consecutive naturals, for example, 253256 + ... + 2515182.

It is an arithmetic number, because the mean of its divisors is an integer number (782751494040).

Almost surely, 2^{3131002330013} is an apocalyptic number.

It is an amenable number.

3131002330013 is a deficient number, since it is larger than the sum of its proper divisors (3646147).

3131002330013 is a wasteful number, since it uses less digits than its factorization.

3131002330013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646146.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 3131002330013 its reverse (3100332001313), we get a palindrome (6231334331326).

The spelling of 3131002330013 in words is "three trillion, one hundred thirty-one billion, two million, three hundred thirty thousand, thirteen".