5315224321 has 4 divisors (see below), whose sum is σ = 5798426544. Its totient is φ = 4832022100.

The previous prime is 5315224289. The next prime is 5315224333. The reversal of 5315224321 is 1234225135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5315224321 - 2⁵ = 5315224289 is a prime.

It is a super-2 number, since 2×5315224321² = 56503219165099822082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5315224321.

It is not an unprimeable number, because it can be changed into a prime (5315224351) 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 3 ways as a sum of consecutive naturals, for example, 241601095 + ... + 241601116.

It is an arithmetic number, because the mean of its divisors is an integer number (1449606636).

Almost surely, 2^5315224321 is an apocalyptic number.

It is an amenable number.

5315224321 is a deficient number, since it is larger than the sum of its proper divisors (483202223).

5315224321 is a wasteful number, since it uses less digits than its factorization.

5315224321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483202222.

The product of its digits is 7200, while the sum is 28.

The square root of 5315224321 is about 72905.5849781071. The cubic root of 5315224321 is about 1745.1812271995.

Adding to 5315224321 its reverse (1234225135), we get a palindrome (6549449456).

The spelling of 5315224321 in words is "five billion, three hundred fifteen million, two hundred twenty-four thousand, three hundred twenty-one".