131011303 has 4 divisors (see below), whose sum is σ = 131051088. Its totient is φ = 130971520.

The previous prime is 131011273. The next prime is 131011313. The reversal of 131011303 is 303110131.

It is a happy number.

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 131011303 - 2⁵ = 131011271 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 (131011313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14458 + ... + 21703.

It is an arithmetic number, because the mean of its divisors is an integer number (32762772).

Almost surely, 2^131011303 is an apocalyptic number.

131011303 is a deficient number, since it is larger than the sum of its proper divisors (39785).

131011303 is an equidigital number, since it uses as much as digits as its factorization.

131011303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39784.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 131011303 is about 11446.0169054567. The cubic root of 131011303 is about 507.8899143006.

Adding to 131011303 its reverse (303110131), we get a palindrome (434121434).

The spelling of 131011303 in words is "one hundred thirty-one million, eleven thousand, three hundred three".