13643042142331 has 16 divisors (see below), whose sum is σ = 15601930974720. Its totient is φ = 11686625637120.

The previous prime is 13643042142277. The next prime is 13643042142407. The reversal of 13643042142331 is 13324124034631.

It is not a de Polignac number, because 13643042142331 - 2¹¹ = 13643042140283 is a prime.

It is a super-2 number, since 2×13643042142331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13643042142931) 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, 108526410 + ... + 108652048.

It is an arithmetic number, because the mean of its divisors is an integer number (975120685920).

Almost surely, 2^{13643042142331} is an apocalyptic number.

13643042142331 is a deficient number, since it is larger than the sum of its proper divisors (1958888832389).

13643042142331 is a wasteful number, since it uses less digits than its factorization.

13643042142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135354.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 13643042142331 its reverse (13324124034631), we get a palindrome (26967166176962).

The spelling of 13643042142331 in words is "thirteen trillion, six hundred forty-three billion, forty-two million, one hundred forty-two thousand, three hundred thirty-one".