131312300203 has 16 divisors (see below), whose sum is σ = 151646649856. Its totient is φ = 111373522560.

The previous prime is 131312300177. The next prime is 131312300239. The reversal of 131312300203 is 302003213131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131312300203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131312700203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860275 + ... + 1001347.

It is an arithmetic number, because the mean of its divisors is an integer number (9477915616).

Almost surely, 2^131312300203 is an apocalyptic number.

131312300203 is a deficient number, since it is larger than the sum of its proper divisors (20334349653).

131312300203 is a wasteful number, since it uses less digits than its factorization.

131312300203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142474.

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

Adding to 131312300203 its reverse (302003213131), we get a palindrome (433315513334).

The spelling of 131312300203 in words is "one hundred thirty-one billion, three hundred twelve million, three hundred thousand, two hundred three".