531241144087 has 2 divisors, whose sum is σ = 531241144088. Its totient is φ = 531241144086.

The previous prime is 531241144061. The next prime is 531241144141. The reversal of 531241144087 is 780441142135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531241144087 - 2⁷ = 531241143959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531241141087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265620572043 + 265620572044.

It is an arithmetic number, because the mean of its divisors is an integer number (265620572044).

Almost surely, 2^531241144087 is an apocalyptic number.

531241144087 is a deficient number, since it is larger than the sum of its proper divisors (1).

531241144087 is an equidigital number, since it uses as much as digits as its factorization.

531241144087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 531241144087 in words is "five hundred thirty-one billion, two hundred forty-one million, one hundred forty-four thousand, eighty-seven".