131130111103 has 4 divisors (see below), whose sum is σ = 131181557400. Its totient is φ = 131078664808.

The previous prime is 131130111041. The next prime is 131130111127. The reversal of 131130111103 is 301111031131.

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 131130111103 - 2³³ = 122540176511 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 (131130111193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25719325 + ... + 25724422.

It is an arithmetic number, because the mean of its divisors is an integer number (32795389350).

Almost surely, 2^131130111103 is an apocalyptic number.

131130111103 is a deficient number, since it is larger than the sum of its proper divisors (51446297).

131130111103 is an equidigital number, since it uses as much as digits as its factorization.

131130111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51446296.

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

Adding to 131130111103 its reverse (301111031131), we get a palindrome (432241142234).

The spelling of 131130111103 in words is "one hundred thirty-one billion, one hundred thirty million, one hundred eleven thousand, one hundred three".