5211031 has 12 divisors (see below), whose sum is σ = 6102928. Its totient is φ = 4358592.

The previous prime is 5211023. The next prime is 5211071. The reversal of 5211031 is 1301125.

It is not a de Polignac number, because 5211031 - 2³ = 5211023 is a prime.

It is a super-2 number, since 2×5211031² = 54309688165922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15295 + ... + 15631.

Almost surely, 2^5211031 is an apocalyptic number.

5211031 is a deficient number, since it is larger than the sum of its proper divisors (891897).

5211031 is an equidigital number, since it uses as much as digits as its factorization.

5211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 5211031 is about 2282.7682755812. The cubic root of 5211031 is about 173.3702407437.

Adding to 5211031 its reverse (1301125), we get a palindrome (6512156).

The spelling of 5211031 in words is "five million, two hundred eleven thousand, thirty-one".