131103415245503 has 4 divisors (see below), whose sum is σ = 131104890345528. Its totient is φ = 131101940145480.

The previous prime is 131103415245437. The next prime is 131103415245533. The reversal of 131103415245503 is 305542514301131.

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 131103415245503 - 2⁸ = 131103415245247 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 (131103415245533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737416688 + ... + 737594453.

It is an arithmetic number, because the mean of its divisors is an integer number (32776222586382).

Almost surely, 2^{131103415245503} is an apocalyptic number.

131103415245503 is a deficient number, since it is larger than the sum of its proper divisors (1475100025).

131103415245503 is an equidigital number, since it uses as much as digits as its factorization.

131103415245503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475100024.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 131103415245503 its reverse (305542514301131), we get a palindrome (436645929546634).

The spelling of 131103415245503 in words is "one hundred thirty-one trillion, one hundred three billion, four hundred fifteen million, two hundred forty-five thousand, five hundred three".