6531264031 has 2 divisors, whose sum is σ = 6531264032. Its totient is φ = 6531264030.

The previous prime is 6531263969. The next prime is 6531264037. The reversal of 6531264031 is 1304621356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6531264031 - 2⁷ = 6531263903 is a prime.

It is a super-2 number, since 2×6531264031² = 85314819685268737922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6531263984 and 6531264002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6531264037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265632015 + 3265632016.

It is an arithmetic number, because the mean of its divisors is an integer number (3265632016).

Almost surely, 2^6531264031 is an apocalyptic number.

6531264031 is a deficient number, since it is larger than the sum of its proper divisors (1).

6531264031 is an equidigital number, since it uses as much as digits as its factorization.

6531264031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6531264031 is about 80816.2361843213. The cubic root of 6531264031 is about 1869.2429309810.

Adding to 6531264031 its reverse (1304621356), we get a palindrome (7835885387).

The spelling of 6531264031 in words is "six billion, five hundred thirty-one million, two hundred sixty-four thousand, thirty-one".