512311340321 has 16 divisors (see below), whose sum is σ = 566551093248. Its totient is φ = 459367755600.

The previous prime is 512311340311. The next prime is 512311340329. The reversal of 512311340321 is 123043113215.

It is a cyclic number.

It is not a de Polignac number, because 512311340321 - 2¹⁰ = 512311339297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512311340329) 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 in 15 ways as a sum of consecutive naturals, for example, 91976 + ... + 1016406.

It is an arithmetic number, because the mean of its divisors is an integer number (35409443328).

Almost surely, 2^512311340321 is an apocalyptic number.

It is an amenable number.

512311340321 is a deficient number, since it is larger than the sum of its proper divisors (54239752927).

512311340321 is a wasteful number, since it uses less digits than its factorization.

512311340321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925132.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 512311340321 its reverse (123043113215), we get a palindrome (635354453536).

The spelling of 512311340321 in words is "five hundred twelve billion, three hundred eleven million, three hundred forty thousand, three hundred twenty-one".