13420035431343 has 16 divisors (see below), whose sum is σ = 20522873779200. Its totient is φ = 8658087374520.

The previous prime is 13420035431333. The next prime is 13420035431353. The reversal of 13420035431343 is 34313453002431.

13420035431343 is a `hidden beast` number, since 1 + 34 + 200 + 3 + 54 + 31 + 343 = 666.

It is an interprime number because it is at equal distance from previous prime (13420035431333) and next prime (13420035431353).

It is not a de Polignac number, because 13420035431343 - 2⁶ = 13420035431279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13420035431298 and 13420035431307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420035431323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8016746733 + ... + 8016748406.

It is an arithmetic number, because the mean of its divisors is an integer number (1282679611200).

Almost surely, 2^{13420035431343} is an apocalyptic number.

13420035431343 is a deficient number, since it is larger than the sum of its proper divisors (7102838347857).

13420035431343 is a wasteful number, since it uses less digits than its factorization.

13420035431343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16033495179 (or 16033495173 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 13420035431343 its reverse (34313453002431), we get a palindrome (47733488433774).

The spelling of 13420035431343 in words is "thirteen trillion, four hundred twenty billion, thirty-five million, four hundred thirty-one thousand, three hundred forty-three".