513023305214344 has 8 divisors (see below), whose sum is σ = 961918697276910. Its totient is φ = 256511652607168.

The previous prime is 513023305214309. The next prime is 513023305214419. The reversal of 513023305214344 is 443412503320315.

It can be written as a sum of positive squares in only one way, i.e., 394126917916900 + 118896387297444 = 19852630^2 + 10903962^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 513023305214297 and 513023305214306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32063956575889 + ... + 32063956575904.

Almost surely, 2^{513023305214344} is an apocalyptic number.

It is an amenable number.

513023305214344 is a deficient number, since it is larger than the sum of its proper divisors (448895392062566).

513023305214344 is a wasteful number, since it uses less digits than its factorization.

513023305214344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64127913151799 (or 64127913151795 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 513023305214344 its reverse (443412503320315), we get a palindrome (956435808534659).

The spelling of 513023305214344 in words is "five hundred thirteen trillion, twenty-three billion, three hundred five million, two hundred fourteen thousand, three hundred forty-four".