5312831 has 2 divisors, whose sum is σ = 5312832. Its totient is φ = 5312830.

The previous prime is 5312819. The next prime is 5312851. The reversal of 5312831 is 1382135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5312831 - 2¹⁸ = 5050687 is a prime.

It is a super-2 number, since 2×5312831² = 56452346469122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5312797 and 5312806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5312851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656415 + 2656416.

It is an arithmetic number, because the mean of its divisors is an integer number (2656416).

Almost surely, 2^5312831 is an apocalyptic number.

5312831 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312831 is an equidigital number, since it uses as much as digits as its factorization.

5312831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 5312831 is about 2304.9579171863. The cubic root of 5312831 is about 174.4919249800.

Adding to 5312831 its reverse (1382135), we get a palindrome (6694966).

The spelling of 5312831 in words is "five million, three hundred twelve thousand, eight hundred thirty-one".