5247312531 has 8 divisors (see below), whose sum is σ = 7407970704. Its totient is φ = 3292431360.

The previous prime is 5247312527. The next prime is 5247312547. The reversal of 5247312531 is 1352137425.

5247312531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5247312531 - 2² = 5247312527 is a prime.

It is a super-2 number, since 2×5247312531² = 55068577595979251922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5247312492 and 5247312501.

It is not an unprimeable number, because it can be changed into a prime (5247312571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51444190 + ... + 51444291.

It is an arithmetic number, because the mean of its divisors is an integer number (925996338).

Almost surely, 2^5247312531 is an apocalyptic number.

5247312531 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5247312531 is a deficient number, since it is larger than the sum of its proper divisors (2160658173).

5247312531 is a wasteful number, since it uses less digits than its factorization.

5247312531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102888501.

The product of its digits is 25200, while the sum is 33.

The square root of 5247312531 is about 72438.3360590233. The cubic root of 5247312531 is about 1737.7167094810.

Adding to 5247312531 its reverse (1352137425), we get a palindrome (6599449956).

The spelling of 5247312531 in words is "five billion, two hundred forty-seven million, three hundred twelve thousand, five hundred thirty-one".