312513445151504 has 10 divisors (see below), whose sum is σ = 605494799981070. Its totient is φ = 156256722575744.

The previous prime is 312513445151461. The next prime is 312513445151507. The reversal of 312513445151504 is 405151544315213.

It can be written as a sum of positive squares in only one way, i.e., 298330689151504 + 14182756000000 = 17272252^2 + 3766000^2 .

It is not an unprimeable number, because it can be changed into a prime (312513445151507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9766045160969 + ... + 9766045161000.

It is an arithmetic number, because the mean of its divisors is an integer number (60549479998107).

Almost surely, 2^{312513445151504} is an apocalyptic number.

It is an amenable number.

312513445151504 is a deficient number, since it is larger than the sum of its proper divisors (292981354829566).

312513445151504 is a wasteful number, since it uses less digits than its factorization.

312513445151504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19532090321977 (or 19532090321971 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 44.

Adding to 312513445151504 its reverse (405151544315213), we get a palindrome (717664989466717).

The spelling of 312513445151504 in words is "three hundred twelve trillion, five hundred thirteen billion, four hundred forty-five million, one hundred fifty-one thousand, five hundred four".