512343031124 has 24 divisors (see below), whose sum is σ = 911640250248. Its totient is φ = 251877536640.

The previous prime is 512343031121. The next prime is 512343031139. The reversal of 512343031124 is 421130343215.

It can be written as a sum of positive squares in 4 ways, for example, as 83828779024 + 428514252100 = 289532^2 + 654610^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512343031121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261002 + ... + 1045374.

It is an arithmetic number, because the mean of its divisors is an integer number (37985010427).

Almost surely, 2^512343031124 is an apocalyptic number.

It is an amenable number.

512343031124 is a deficient number, since it is larger than the sum of its proper divisors (399297219124).

512343031124 is a wasteful number, since it uses less digits than its factorization.

512343031124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787115 (or 787113 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 512343031124 its reverse (421130343215), we get a palindrome (933473374339).

The spelling of 512343031124 in words is "five hundred twelve billion, three hundred forty-three million, thirty-one thousand, one hundred twenty-four".