5313343168781 has 2 divisors, whose sum is σ = 5313343168782. Its totient is φ = 5313343168780.

The previous prime is 5313343168733. The next prime is 5313343168801. The reversal of 5313343168781 is 1878613433135.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5263215988900 + 50127179881 = 2294170^2 + 223891^2 .

It is a cyclic number.

It is not a de Polignac number, because 5313343168781 - 2¹⁰ = 5313343167757 is a prime.

It is a super-2 number, since 2×5313343168781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5313343168711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656671584390 + 2656671584391.

It is an arithmetic number, because the mean of its divisors is an integer number (2656671584391).

Almost surely, 2^{5313343168781} is an apocalyptic number.

It is an amenable number.

5313343168781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5313343168781 is an equidigital number, since it uses as much as digits as its factorization.

5313343168781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 53.

The spelling of 5313343168781 in words is "five trillion, three hundred thirteen billion, three hundred forty-three million, one hundred sixty-eight thousand, seven hundred eighty-one".