131223300103 has 4 divisors (see below), whose sum is σ = 149969485840. Its totient is φ = 112477114368.

The previous prime is 131223300097. The next prime is 131223300133. The reversal of 131223300103 is 301003322131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301003322131 = 1993 ⋅151030267.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131223300103 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 (131223300133) 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, 9373092858 + ... + 9373092871.

It is an arithmetic number, because the mean of its divisors is an integer number (37492371460).

Almost surely, 2^131223300103 is an apocalyptic number.

131223300103 is a deficient number, since it is larger than the sum of its proper divisors (18746185737).

131223300103 is an equidigital number, since it uses as much as digits as its factorization.

131223300103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18746185736.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131223300103 its reverse (301003322131), we get a palindrome (432226622234).

The spelling of 131223300103 in words is "one hundred thirty-one billion, two hundred twenty-three million, three hundred thousand, one hundred three".