13103240443213 has 2 divisors, whose sum is σ = 13103240443214. Its totient is φ = 13103240443212.

The previous prime is 13103240443211. The next prime is 13103240443253. The reversal of 13103240443213 is 31234404230131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13097754522724 + 5485920489 = 3619082^2 + 74067^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103240443213 - 2¹ = 13103240443211 is a prime.

It is a super-2 number, since 2×13103240443213² (a number of 27 digits) contains 22 as substring.

Together with 13103240443211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13103240443211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551620221606 + 6551620221607.

It is an arithmetic number, because the mean of its divisors is an integer number (6551620221607).

Almost surely, 2^{13103240443213} is an apocalyptic number.

It is an amenable number.

13103240443213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103240443213 is an equidigital number, since it uses as much as digits as its factorization.

13103240443213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 13103240443213 its reverse (31234404230131), we get a palindrome (44337644673344).

The spelling of 13103240443213 in words is "thirteen trillion, one hundred three billion, two hundred forty million, four hundred forty-three thousand, two hundred thirteen".