5251313230344 has 24 divisors (see below), whose sum is σ = 14222306665710. Its totient is φ = 1750437743424.

The previous prime is 5251313230333. The next prime is 5251313230391. The reversal of 5251313230344 is 4430323131525.

5251313230344 is a `hidden beast` number, since 5 + 2 + 51 + 31 + 3 + 230 + 344 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5110809704100 + 140503526244 = 2260710^2 + 374838^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5251313230299 and 5251313230308.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 36467452917 + ... + 36467453060.

Almost surely, 2^{5251313230344} is an apocalyptic number.

It is an amenable number.

5251313230344 is an abundant number, since it is smaller than the sum of its proper divisors (8970993435366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5251313230344 is a wasteful number, since it uses less digits than its factorization.

5251313230344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72934905989 (or 72934905982 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 5251313230344 its reverse (4430323131525), we get a palindrome (9681636361869).

The spelling of 5251313230344 in words is "five trillion, two hundred fifty-one billion, three hundred thirteen million, two hundred thirty thousand, three hundred forty-four".