13134344234381 has 2 divisors, whose sum is σ = 13134344234382. Its totient is φ = 13134344234380.

The previous prime is 13134344234353. The next prime is 13134344234383. The reversal of 13134344234381 is 18343244343131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10157542668100 + 2976801566281 = 3187090^2 + 1725341^2 .

It is a cyclic number.

It is not a de Polignac number, because 13134344234381 - 2¹⁰ = 13134344233357 is a prime.

It is a super-2 number, since 2×13134344234381² (a number of 27 digits) contains 22 as substring.

Together with 13134344234383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13134344234383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567172117190 + 6567172117191.

It is an arithmetic number, because the mean of its divisors is an integer number (6567172117191).

Almost surely, 2^{13134344234381} is an apocalyptic number.

It is an amenable number.

13134344234381 is a deficient number, since it is larger than the sum of its proper divisors (1).

13134344234381 is an equidigital number, since it uses as much as digits as its factorization.

13134344234381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 44.

The spelling of 13134344234381 in words is "thirteen trillion, one hundred thirty-four billion, three hundred forty-four million, two hundred thirty-four thousand, three hundred eighty-one".