201343110142 has 4 divisors (see below), whose sum is σ = 302014665216. Its totient is φ = 100671555070.

The previous prime is 201343110127. The next prime is 201343110151. The reversal of 201343110142 is 241011343102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241011343102 = 2 ⋅120505671551.

It is a congruent number.

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, 50335777534 + ... + 50335777537.

It is an arithmetic number, because the mean of its divisors is an integer number (75503666304).

Almost surely, 2^201343110142 is an apocalyptic number.

201343110142 is a deficient number, since it is larger than the sum of its proper divisors (100671555074).

201343110142 is a wasteful number, since it uses less digits than its factorization.

201343110142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100671555073.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 201343110142 its reverse (241011343102), we get a palindrome (442354453244).

The spelling of 201343110142 in words is "two hundred one billion, three hundred forty-three million, one hundred ten thousand, one hundred forty-two".