131013111103 has 4 divisors (see below), whose sum is σ = 149729269840. Its totient is φ = 112296952368.

The previous prime is 131013111101. The next prime is 131013111109. The reversal of 131013111103 is 301111310131.

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 131013111103 - 2¹ = 131013111101 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 (131013111101) 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 3 ways as a sum of consecutive naturals, for example, 9358079358 + ... + 9358079371.

It is an arithmetic number, because the mean of its divisors is an integer number (37432317460).

Almost surely, 2^131013111103 is an apocalyptic number.

131013111103 is a deficient number, since it is larger than the sum of its proper divisors (18716158737).

131013111103 is an equidigital number, since it uses as much as digits as its factorization.

131013111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18716158736.

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

Adding to 131013111103 its reverse (301111310131), we get a palindrome (432124421234).

The spelling of 131013111103 in words is "one hundred thirty-one billion, thirteen million, one hundred eleven thousand, one hundred three".