42143132313442 has 4 divisors (see below), whose sum is σ = 63214698470166. Its totient is φ = 21071566156720.

The previous prime is 42143132313383. The next prime is 42143132313463. The reversal of 42143132313442 is 24431323134124.

42143132313442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41401361803321 + 741770510121 = 6434389^2 + 861261^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10535783078359 + ... + 10535783078362.

Almost surely, 2^{42143132313442} is an apocalyptic number.

42143132313442 is a deficient number, since it is larger than the sum of its proper divisors (21071566156724).

42143132313442 is a wasteful number, since it uses less digits than its factorization.

42143132313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21071566156723.

The product of its digits is 165888, while the sum is 37.

Adding to 42143132313442 its reverse (24431323134124), we get a palindrome (66574455447566).

The spelling of 42143132313442 in words is "forty-two trillion, one hundred forty-three billion, one hundred thirty-two million, three hundred thirteen thousand, four hundred forty-two".