3131203053143 has 12 divisors (see below), whose sum is σ = 3442527551400. Its totient is φ = 2845893222480.

The previous prime is 3131203053089. The next prime is 3131203053169. The reversal of 3131203053143 is 3413503021313.

It is a de Polignac number, because none of the positive numbers 2^k-3131203053143 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 (3131203053343) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 2448905 + ... + 3501362.

It is an arithmetic number, because the mean of its divisors is an integer number (286877295950).

Almost surely, 2^{3131203053143} is an apocalyptic number.

3131203053143 is a deficient number, since it is larger than the sum of its proper divisors (311324498257).

3131203053143 is a wasteful number, since it uses less digits than its factorization.

3131203053143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954638 (or 5954627 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 3131203053143 its reverse (3413503021313), we get a palindrome (6544706074456).

The spelling of 3131203053143 in words is "three trillion, one hundred thirty-one billion, two hundred three million, fifty-three thousand, one hundred forty-three".