12113131333 has 2 divisors, whose sum is σ = 12113131334. Its totient is φ = 12113131332.

The previous prime is 12113131319. The next prime is 12113131339. The reversal of 12113131333 is 33313131121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9311864004 + 2801267329 = 96498^2 + 52927^2 .

It is a cyclic number.

It is not a de Polignac number, because 12113131333 - 2¹⁷ = 12113000261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12113131339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056565666 + 6056565667.

It is an arithmetic number, because the mean of its divisors is an integer number (6056565667).

Almost surely, 2^12113131333 is an apocalyptic number.

It is an amenable number.

12113131333 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113131333 is an equidigital number, since it uses as much as digits as its factorization.

12113131333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 22.

Adding to 12113131333 its reverse (33313131121), we get a palindrome (45426262454).

The spelling of 12113131333 in words is "twelve billion, one hundred thirteen million, one hundred thirty-one thousand, three hundred thirty-three".