13140342550431 has 12 divisors (see below), whose sum is σ = 18982671820320. Its totient is φ = 8759223586080.

The previous prime is 13140342550421. The next prime is 13140342550463. The reversal of 13140342550431 is 13405524304131.

13140342550431 is a `hidden beast` number, since 1 + 3 + 1 + 40 + 34 + 2 + 550 + 4 + 31 = 666.

It is not a de Polignac number, because 13140342550431 - 2¹⁷ = 13140342419359 is a prime.

It is a super-2 number, since 2×13140342550431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140342550421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83648910 + ... + 83805851.

It is an arithmetic number, because the mean of its divisors is an integer number (1581889318360).

Almost surely, 2^{13140342550431} is an apocalyptic number.

13140342550431 is a deficient number, since it is larger than the sum of its proper divisors (5842329269889).

13140342550431 is a wasteful number, since it uses less digits than its factorization.

13140342550431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167463486 (or 167463483 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 13140342550431 its reverse (13405524304131), we get a palindrome (26545866854562).

The spelling of 13140342550431 in words is "thirteen trillion, one hundred forty billion, three hundred forty-two million, five hundred fifty thousand, four hundred thirty-one".