513054242312 has 32 divisors (see below), whose sum is σ = 978981730200. Its totient is φ = 252029167104.

The previous prime is 513054242303. The next prime is 513054242339. The reversal of 513054242312 is 213242450315.

It can be written as a sum of positive squares in 4 ways, for example, as 162194674756 + 350859567556 = 402734^2 + 592334^2 .

It is a super-2 number, since 2×513054242312² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183063 + ... + 2406630.

Almost surely, 2^513054242312 is an apocalyptic number.

It is an amenable number.

513054242312 is a deficient number, since it is larger than the sum of its proper divisors (465927487888).

513054242312 is a wasteful number, since it uses less digits than its factorization.

513054242312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589945 (or 4589941 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 513054242312 its reverse (213242450315), we get a palindrome (726296692627).

The spelling of 513054242312 in words is "five hundred thirteen billion, fifty-four million, two hundred forty-two thousand, three hundred twelve".