13143501240242 has 32 divisors (see below), whose sum is σ = 20731761388800. Its totient is φ = 6241198376448.

The previous prime is 13143501240241. The next prime is 13143501240253. The reversal of 13143501240242 is 24204210534131.

It is a junction number, because it is equal to n+sod(n) for n = 13143501240199 and 13143501240208.

It is not an unprimeable number, because it can be changed into a prime (13143501240241) 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, 6249242 + ... + 8083317.

It is an arithmetic number, because the mean of its divisors is an integer number (647867543400).

Almost surely, 2^{13143501240242} is an apocalyptic number.

13143501240242 is a deficient number, since it is larger than the sum of its proper divisors (7588260148558).

13143501240242 is a wasteful number, since it uses less digits than its factorization.

13143501240242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14332850.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 13143501240242 its reverse (24204210534131), we get a palindrome (37347711774373).

The spelling of 13143501240242 in words is "thirteen trillion, one hundred forty-three billion, five hundred one million, two hundred forty thousand, two hundred forty-two".