31132104042143 has 4 divisors (see below), whose sum is σ = 33526881276168. Its totient is φ = 28737326808120.

The previous prime is 31132104042121. The next prime is 31132104042197. The reversal of 31132104042143 is 34124040123113.

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

It is a cyclic number.

It is not a de Polignac number, because 31132104042143 - 2⁴⁰ = 30032592414367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132104042113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197388616993 + ... + 1197388617018.

It is an arithmetic number, because the mean of its divisors is an integer number (8381720319042).

Almost surely, 2^{31132104042143} is an apocalyptic number.

31132104042143 is a deficient number, since it is larger than the sum of its proper divisors (2394777234025).

31132104042143 is a wasteful number, since it uses less digits than its factorization.

31132104042143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394777234024.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31132104042143 its reverse (34124040123113), we get a palindrome (65256144165256).

The spelling of 31132104042143 in words is "thirty-one trillion, one hundred thirty-two billion, one hundred four million, forty-two thousand, one hundred forty-three".