13343706331157 has 4 divisors (see below), whose sum is σ = 13343763131916. Its totient is φ = 13343649530400.

The previous prime is 13343706331073. The next prime is 13343706331211. The reversal of 13343706331157 is 75113360734331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13183006367281 + 160699963876 = 3630841^2 + 400874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13343706331157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13343706331357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28046528 + ... + 28518329.

It is an arithmetic number, because the mean of its divisors is an integer number (3335940782979).

Almost surely, 2^{13343706331157} is an apocalyptic number.

It is an amenable number.

13343706331157 is a deficient number, since it is larger than the sum of its proper divisors (56800759).

13343706331157 is an equidigital number, since it uses as much as digits as its factorization.

13343706331157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56800758.

The product of its (nonzero) digits is 1428840, while the sum is 47.

The spelling of 13343706331157 in words is "thirteen trillion, three hundred forty-three billion, seven hundred six million, three hundred thirty-one thousand, one hundred fifty-seven".