531031063 has 2 divisors, whose sum is σ = 531031064. Its totient is φ = 531031062.

The previous prime is 531031001. The next prime is 531031129. The reversal of 531031063 is 360130135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531031063 - 2¹⁷ = 530899991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531031663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265515531 + 265515532.

It is an arithmetic number, because the mean of its divisors is an integer number (265515532).

Almost surely, 2^531031063 is an apocalyptic number.

531031063 is a deficient number, since it is larger than the sum of its proper divisors (1).

531031063 is an equidigital number, since it uses as much as digits as its factorization.

531031063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 531031063 is about 23044.1112434392. Note that the first 3 decimals coincide. The cubic root of 531031063 is about 809.7916768534.

Adding to 531031063 its reverse (360130135), we get a palindrome (891161198).

The spelling of 531031063 in words is "five hundred thirty-one million, thirty-one thousand, sixty-three".