531357012931 has 2 divisors, whose sum is σ = 531357012932. Its totient is φ = 531357012930.

The previous prime is 531357012917. The next prime is 531357012941. The reversal of 531357012931 is 139210753135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531357012931 - 2⁵ = 531357012899 is a prime.

It is a super-2 number, since 2×531357012931² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (531357012941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265678506465 + 265678506466.

It is an arithmetic number, because the mean of its divisors is an integer number (265678506466).

Almost surely, 2^531357012931 is an apocalyptic number.

531357012931 is a deficient number, since it is larger than the sum of its proper divisors (1).

531357012931 is an equidigital number, since it uses as much as digits as its factorization.

531357012931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 40.

The spelling of 531357012931 in words is "five hundred thirty-one billion, three hundred fifty-seven million, twelve thousand, nine hundred thirty-one".