5315321624213 has 2 divisors, whose sum is σ = 5315321624214. Its totient is φ = 5315321624212.

The previous prime is 5315321624089. The next prime is 5315321624251. The reversal of 5315321624213 is 3124261235135.

It is an a-pointer prime, because the next prime (5315321624251) can be obtained adding 5315321624213 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3183715784209 + 2131605840004 = 1784297^2 + 1460002^2 .

It is a cyclic number.

It is not a de Polignac number, because 5315321624213 - 2¹² = 5315321620117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5315321621213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2657660812106 + 2657660812107.

It is an arithmetic number, because the mean of its divisors is an integer number (2657660812107).

Almost surely, 2^{5315321624213} is an apocalyptic number.

It is an amenable number.

5315321624213 is a deficient number, since it is larger than the sum of its proper divisors (1).

5315321624213 is an equidigital number, since it uses as much as digits as its factorization.

5315321624213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

Adding to 5315321624213 its reverse (3124261235135), we get a palindrome (8439582859348).

The spelling of 5315321624213 in words is "five trillion, three hundred fifteen billion, three hundred twenty-one million, six hundred twenty-four thousand, two hundred thirteen".