5218530311 has 2 divisors, whose sum is σ = 5218530312. Its totient is φ = 5218530310.

The previous prime is 5218530299. The next prime is 5218530319. The reversal of 5218530311 is 1130358125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5218530311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5218530319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609265155 + 2609265156.

It is an arithmetic number, because the mean of its divisors is an integer number (2609265156).

Almost surely, 2^5218530311 is an apocalyptic number.

5218530311 is a deficient number, since it is larger than the sum of its proper divisors (1).

5218530311 is an equidigital number, since it uses as much as digits as its factorization.

5218530311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 5218530311 is about 72239.3958377283. The cubic root of 5218530311 is about 1734.5336787389.

Adding to 5218530311 its reverse (1130358125), we get a palindrome (6348888436).

The spelling of 5218530311 in words is "five billion, two hundred eighteen million, five hundred thirty thousand, three hundred eleven".