5215303531 has 4 divisors (see below), whose sum is σ = 5229285952. Its totient is φ = 5201321112.

The previous prime is 5215303529. The next prime is 5215303549. The reversal of 5215303531 is 1353035125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5215303531 - 2¹ = 5215303529 is a prime.

It is a super-2 number, since 2×5215303531² = 54398781840922135922, 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 5215303531.

It is not an unprimeable number, because it can be changed into a prime (5215303831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6990651 + ... + 6991396.

It is an arithmetic number, because the mean of its divisors is an integer number (1307321488).

Almost surely, 2^5215303531 is an apocalyptic number.

5215303531 is a deficient number, since it is larger than the sum of its proper divisors (13982421).

5215303531 is a wasteful number, since it uses less digits than its factorization.

5215303531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13982420.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 5215303531 is about 72217.0584488180. The cubic root of 5215303531 is about 1734.1760996098.

Adding to 5215303531 its reverse (1353035125), we get a palindrome (6568338656).

The spelling of 5215303531 in words is "five billion, two hundred fifteen million, three hundred three thousand, five hundred thirty-one".