2131331321103 has 32 divisors (see below), whose sum is σ = 2966762353152. Its totient is φ = 1359667036800.

The previous prime is 2131331321047. The next prime is 2131331321137. The reversal of 2131331321103 is 3011231331312.

It is not a de Polignac number, because 2131331321103 - 2⁸ = 2131331320847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131331321303) 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 31 ways as a sum of consecutive naturals, for example, 106179558 + ... + 106199628.

It is an arithmetic number, because the mean of its divisors is an integer number (92711323536).

Almost surely, 2^{2131331321103} is an apocalyptic number.

2131331321103 is a deficient number, since it is larger than the sum of its proper divisors (835431032049).

2131331321103 is a wasteful number, since it uses less digits than its factorization.

2131331321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35855.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 2131331321103 its reverse (3011231331312), we get a palindrome (5142562652415).

The spelling of 2131331321103 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred three".