131233122103 has 4 divisors (see below), whose sum is σ = 131235267240. Its totient is φ = 131230976968.

The previous prime is 131233122047. The next prime is 131233122127. The reversal of 131233122103 is 301221332131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131233122103 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 (131233122133) 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, 978025 + ... + 1104082.

It is an arithmetic number, because the mean of its divisors is an integer number (32808816810).

Almost surely, 2^131233122103 is an apocalyptic number.

131233122103 is a deficient number, since it is larger than the sum of its proper divisors (2145137).

131233122103 is an equidigital number, since it uses as much as digits as its factorization.

131233122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145136.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131233122103 its reverse (301221332131), we get a palindrome (432454454234).

The spelling of 131233122103 in words is "one hundred thirty-one billion, two hundred thirty-three million, one hundred twenty-two thousand, one hundred three".