13420066313 has 2 divisors, whose sum is σ = 13420066314. Its totient is φ = 13420066312.

The previous prime is 13420066279. The next prime is 13420066327. The reversal of 13420066313 is 31366002431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12662550784 + 757515529 = 112528^2 + 27523^2 .

It is a cyclic number.

It is not a de Polignac number, because 13420066313 - 2⁸ = 13420066057 is a prime.

It is a super-3 number, since 3×13420066313³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13420066213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710033156 + 6710033157.

It is an arithmetic number, because the mean of its divisors is an integer number (6710033157).

Almost surely, 2^13420066313 is an apocalyptic number.

It is an amenable number.

13420066313 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420066313 is an equidigital number, since it uses as much as digits as its factorization.

13420066313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13420066313 its reverse (31366002431), we get a palindrome (44786068744).

The spelling of 13420066313 in words is "thirteen billion, four hundred twenty million, sixty-six thousand, three hundred thirteen".