531603214391339 has 2 divisors, whose sum is σ = 531603214391340. Its totient is φ = 531603214391338.

The previous prime is 531603214391317. The next prime is 531603214391377. The reversal of 531603214391339 is 933193412306135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531603214391339 - 2⁸ = 531603214391083 is a prime.

It is not a weakly prime, because it can be changed into another prime (531603214396339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265801607195669 + 265801607195670.

It is an arithmetic number, because the mean of its divisors is an integer number (265801607195670).

Almost surely, 2^{531603214391339} is an apocalyptic number.

531603214391339 is a deficient number, since it is larger than the sum of its proper divisors (1).

531603214391339 is an equidigital number, since it uses as much as digits as its factorization.

531603214391339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4723920, while the sum is 53.

The spelling of 531603214391339 in words is "five hundred thirty-one trillion, six hundred three billion, two hundred fourteen million, three hundred ninety-one thousand, three hundred thirty-nine".