12320310113 has 2 divisors, whose sum is σ = 12320310114. Its totient is φ = 12320310112.

The previous prime is 12320310103. The next prime is 12320310131. The reversal of 12320310113 is 31101302321.

Together with next prime (12320310131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7552131409 + 4768178704 = 86903^2 + 69052^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320310113 - 2⁴ = 12320310097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12320310091 and 12320310100.

It is not a weakly prime, because it can be changed into another prime (12320310103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160155056 + 6160155057.

It is an arithmetic number, because the mean of its divisors is an integer number (6160155057).

Almost surely, 2^12320310113 is an apocalyptic number.

It is an amenable number.

12320310113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320310113 is an equidigital number, since it uses as much as digits as its factorization.

12320310113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12320310113 its reverse (31101302321), we get a palindrome (43421612434).

The spelling of 12320310113 in words is "twelve billion, three hundred twenty million, three hundred ten thousand, one hundred thirteen".