10311331013 has 4 divisors (see below), whose sum is σ = 10311561228. Its totient is φ = 10311100800.

The previous prime is 10311330971. The next prime is 10311331033. The reversal of 10311331013 is 31013311301.

10311331013 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 1941459844 + 8369871169 = 44062^2 + 91487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10311331013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311330982 and 10311331000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311331033) 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, 23756 + ... + 145557.

It is an arithmetic number, because the mean of its divisors is an integer number (2577890307).

Almost surely, 2^10311331013 is an apocalyptic number.

It is an amenable number.

10311331013 is a deficient number, since it is larger than the sum of its proper divisors (230215).

10311331013 is an equidigital number, since it uses as much as digits as its factorization.

10311331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230214.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 10311331013 its reverse (31013311301), we get a palindrome (41324642314).

The spelling of 10311331013 in words is "ten billion, three hundred eleven million, three hundred thirty-one thousand, thirteen".