20131135510343 has 32 divisors (see below), whose sum is σ = 24201423966720. Its totient is φ = 16499817210240.

The previous prime is 20131135510333. The next prime is 20131135510363. The reversal of 20131135510343 is 34301553113102.

It is not a de Polignac number, because 20131135510343 - 2⁶ = 20131135510279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131135510333) 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 in 31 ways as a sum of consecutive naturals, for example, 345932093 + ... + 345990281.

It is an arithmetic number, because the mean of its divisors is an integer number (756294498960).

Almost surely, 2^{20131135510343} is an apocalyptic number.

20131135510343 is a deficient number, since it is larger than the sum of its proper divisors (4070288456377).

20131135510343 is a wasteful number, since it uses less digits than its factorization.

20131135510343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114519.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 20131135510343 its reverse (34301553113102), we get a palindrome (54432688623445).

The spelling of 20131135510343 in words is "twenty trillion, one hundred thirty-one billion, one hundred thirty-five million, five hundred ten thousand, three hundred forty-three".