5231530271 has 32 divisors (see below), whose sum is σ = 5991874560. Its totient is φ = 4524537600.

The previous prime is 5231530261. The next prime is 5231530277. The reversal of 5231530271 is 1720351325.

It is a de Polignac number, because none of the positive numbers 2^k-5231530271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231530277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6767441 + ... + 6768213.

It is an arithmetic number, because the mean of its divisors is an integer number (187246080).

Almost surely, 2^5231530271 is an apocalyptic number.

5231530271 is a deficient number, since it is larger than the sum of its proper divisors (760344289).

5231530271 is a wasteful number, since it uses less digits than its factorization.

5231530271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 5231530271 is about 72329.3181980862. The cubic root of 5231530271 is about 1735.9727921180.

Adding to 5231530271 its reverse (1720351325), we get a palindrome (6951881596).

The spelling of 5231530271 in words is "five billion, two hundred thirty-one million, five hundred thirty thousand, two hundred seventy-one".