131131322320303 has 4 divisors (see below), whose sum is σ = 131131417554760. Its totient is φ = 131131227085848.

The previous prime is 131131322320279. The next prime is 131131322320319. The reversal of 131131322320303 is 303023223131131.

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 131131322320303 - 2⁹ = 131131322319791 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 (131131322320003) 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, 45521073 + ... + 48315946.

It is an arithmetic number, because the mean of its divisors is an integer number (32782854388690).

Almost surely, 2^{131131322320303} is an apocalyptic number.

131131322320303 is a deficient number, since it is larger than the sum of its proper divisors (95234457).

131131322320303 is an equidigital number, since it uses as much as digits as its factorization.

131131322320303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95234456.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 131131322320303 its reverse (303023223131131), we get a palindrome (434154545451434).

The spelling of 131131322320303 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, three hundred twenty-two million, three hundred twenty thousand, three hundred three".