531213353364319 has 2 divisors, whose sum is σ = 531213353364320. Its totient is φ = 531213353364318.

The previous prime is 531213353364301. The next prime is 531213353364361. The reversal of 531213353364319 is 913463353312135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531213353364319 - 2²⁹ = 531212816493407 is a prime.

It is a super-2 number, since 2×531213353364319² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531213323364319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265606676682159 + 265606676682160.

It is an arithmetic number, because the mean of its divisors is an integer number (265606676682160).

Almost surely, 2^{531213353364319} is an apocalyptic number.

531213353364319 is a deficient number, since it is larger than the sum of its proper divisors (1).

531213353364319 is an equidigital number, since it uses as much as digits as its factorization.

531213353364319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7873200, while the sum is 52.

The spelling of 531213353364319 in words is "five hundred thirty-one trillion, two hundred thirteen billion, three hundred fifty-three million, three hundred sixty-four thousand, three hundred nineteen".