131033131303 has 4 divisors (see below), whose sum is σ = 131345859960. Its totient is φ = 130720402648.

The previous prime is 131033131279. The next prime is 131033131309. The reversal of 131033131303 is 303131330131.

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-131033131303 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 (131033131309) 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 3 ways as a sum of consecutive naturals, for example, 156363700 + ... + 156364537.

It is an arithmetic number, because the mean of its divisors is an integer number (32836464990).

Almost surely, 2^131033131303 is an apocalyptic number.

131033131303 is a deficient number, since it is larger than the sum of its proper divisors (312728657).

131033131303 is an equidigital number, since it uses as much as digits as its factorization.

131033131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312728656.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 131033131303 its reverse (303131330131), we get a palindrome (434164461434).

The spelling of 131033131303 in words is "one hundred thirty-one billion, thirty-three million, one hundred thirty-one thousand, three hundred three".