531321305059 has 2 divisors, whose sum is σ = 531321305060. Its totient is φ = 531321305058.

The previous prime is 531321304883. The next prime is 531321305063. The reversal of 531321305059 is 950503123135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531321305059 - 2¹⁷ = 531321173987 is a prime.

It is not a weakly prime, because it can be changed into another prime (531321305159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265660652529 + 265660652530.

It is an arithmetic number, because the mean of its divisors is an integer number (265660652530).

Almost surely, 2^531321305059 is an apocalyptic number.

531321305059 is a deficient number, since it is larger than the sum of its proper divisors (1).

531321305059 is an equidigital number, since it uses as much as digits as its factorization.

531321305059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60750, while the sum is 37.

The spelling of 531321305059 in words is "five hundred thirty-one billion, three hundred twenty-one million, three hundred five thousand, fifty-nine".