5135313321 has 12 divisors (see below), whose sum is σ = 7450069380. Its totient is φ = 3408590880.

The previous prime is 5135313319. The next prime is 5135313329. The reversal of 5135313321 is 1233135315.

It can be written as a sum of positive squares in 2 ways, for example, as 4787117721 + 348195600 = 69189^2 + 18660^2 .

It is not a de Polignac number, because 5135313321 - 2¹ = 5135313319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5135313329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1243770 + ... + 1247891.

It is an arithmetic number, because the mean of its divisors is an integer number (620839115).

Almost surely, 2^5135313321 is an apocalyptic number.

It is an amenable number.

5135313321 is a deficient number, since it is larger than the sum of its proper divisors (2314756059).

5135313321 is a wasteful number, since it uses less digits than its factorization.

5135313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491896 (or 2491893 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 5135313321 is about 71661.1004729902. The cubic root of 5135313321 is about 1725.2643516733.

Adding to 5135313321 its reverse (1233135315), we get a palindrome (6368448636).

The spelling of 5135313321 in words is "five billion, one hundred thirty-five million, three hundred thirteen thousand, three hundred twenty-one".