5731048321 has 2 divisors, whose sum is σ = 5731048322. Its totient is φ = 5731048320.

The previous prime is 5731048319. The next prime is 5731048327. The reversal of 5731048321 is 1238401375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3786679296 + 1944369025 = 61536^2 + 44095^2 .

It is a cyclic number.

It is not a de Polignac number, because 5731048321 - 2¹ = 5731048319 is a prime.

Together with 5731048319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5731048327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2865524160 + 2865524161.

It is an arithmetic number, because the mean of its divisors is an integer number (2865524161).

Almost surely, 2^5731048321 is an apocalyptic number.

It is an amenable number.

5731048321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5731048321 is an equidigital number, since it uses as much as digits as its factorization.

5731048321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 5731048321 is about 75703.6876314490. The cubic root of 5731048321 is about 1789.5535148284.

Adding to 5731048321 its reverse (1238401375), we get a palindrome (6969449696).

The spelling of 5731048321 in words is "five billion, seven hundred thirty-one million, forty-eight thousand, three hundred twenty-one".