2031320330113 has 2 divisors, whose sum is σ = 2031320330114. Its totient is φ = 2031320330112.

The previous prime is 2031320330107. The next prime is 2031320330147. The reversal of 2031320330113 is 3110330231302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1501842897009 + 529477433104 = 1225497^2 + 727652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031320330113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031327330113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015660165056 + 1015660165057.

It is an arithmetic number, because the mean of its divisors is an integer number (1015660165057).

Almost surely, 2^{2031320330113} is an apocalyptic number.

It is an amenable number.

2031320330113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031320330113 is an equidigital number, since it uses as much as digits as its factorization.

2031320330113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 2031320330113 its reverse (3110330231302), we get a palindrome (5141650561415).

The spelling of 2031320330113 in words is "two trillion, thirty-one billion, three hundred twenty million, three hundred thirty thousand, one hundred thirteen".