331320010013 has 4 divisors (see below), whose sum is σ = 331328237088. Its totient is φ = 331311782940.

The previous prime is 331320010003. The next prime is 331320010019. The reversal of 331320010013 is 310010023133.

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.

It is a cyclic number.

It is not a de Polignac number, because 331320010013 - 2¹² = 331320005917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331320009973 and 331320010000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331320010019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4052831 + ... + 4133772.

It is an arithmetic number, because the mean of its divisors is an integer number (82832059272).

Almost surely, 2^331320010013 is an apocalyptic number.

It is an amenable number.

331320010013 is a deficient number, since it is larger than the sum of its proper divisors (8227075).

331320010013 is an equidigital number, since it uses as much as digits as its factorization.

331320010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227074.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 331320010013 its reverse (310010023133), we get a palindrome (641330033146).

The spelling of 331320010013 in words is "three hundred thirty-one billion, three hundred twenty million, ten thousand, thirteen".