531323240359 has 2 divisors, whose sum is σ = 531323240360. Its totient is φ = 531323240358.

The previous prime is 531323240341. The next prime is 531323240491. The reversal of 531323240359 is 953042323135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531323240359 - 2⁹ = 531323239847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531323240759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265661620179 + 265661620180.

It is an arithmetic number, because the mean of its divisors is an integer number (265661620180).

Almost surely, 2^531323240359 is an apocalyptic number.

531323240359 is a deficient number, since it is larger than the sum of its proper divisors (1).

531323240359 is an equidigital number, since it uses as much as digits as its factorization.

531323240359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 40.

The spelling of 531323240359 in words is "five hundred thirty-one billion, three hundred twenty-three million, two hundred forty thousand, three hundred fifty-nine".