131031111103 has 8 divisors (see below), whose sum is σ = 131315270000. Its totient is φ = 130747039488.

The previous prime is 131031111077. The next prime is 131031111131. The reversal of 131031111103 is 301111130131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131031111103 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 (131031111163) 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 7 ways as a sum of consecutive naturals, for example, 3641263 + ... + 3677071.

It is an arithmetic number, because the mean of its divisors is an integer number (16414408750).

Almost surely, 2^131031111103 is an apocalyptic number.

131031111103 is a deficient number, since it is larger than the sum of its proper divisors (284158897).

131031111103 is an equidigital number, since it uses as much as digits as its factorization.

131031111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43641.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 131031111103 its reverse (301111130131), we get a palindrome (432142241234).

The spelling of 131031111103 in words is "one hundred thirty-one billion, thirty-one million, one hundred eleven thousand, one hundred three".