31202401422143 has 16 divisors (see below), whose sum is σ = 37579042398720. Its totient is φ = 25308723126816.

The previous prime is 31202401422133. The next prime is 31202401422151. The reversal of 31202401422143 is 34122410420213.

It is a cyclic number.

It is not a de Polignac number, because 31202401422143 - 2⁸ = 31202401421887 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 (31202401422133) 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, 132128096 + ... + 132364037.

It is an arithmetic number, because the mean of its divisors is an integer number (2348690149920).

Almost surely, 2^{31202401422143} is an apocalyptic number.

31202401422143 is a deficient number, since it is larger than the sum of its proper divisors (6376640976577).

31202401422143 is a wasteful number, since it uses less digits than its factorization.

31202401422143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264493046.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 31202401422143 its reverse (34122410420213), we get a palindrome (65324811842356).

The spelling of 31202401422143 in words is "thirty-one trillion, two hundred two billion, four hundred one million, four hundred twenty-two thousand, one hundred forty-three".