131131213303 has 4 divisors (see below), whose sum is σ = 131238964080. Its totient is φ = 131023462528.

The previous prime is 131131213253. The next prime is 131131213319. The reversal of 131131213303 is 303312131131.

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 131131213303 - 2³³ = 122541278711 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 (131131213373) 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, 53873563 + ... + 53875996.

It is an arithmetic number, because the mean of its divisors is an integer number (32809741020).

Almost surely, 2^131131213303 is an apocalyptic number.

131131213303 is a deficient number, since it is larger than the sum of its proper divisors (107750777).

131131213303 is a wasteful number, since it uses less digits than its factorization.

131131213303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107750776.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131131213303 its reverse (303312131131), we get a palindrome (434443344434).

The spelling of 131131213303 in words is "one hundred thirty-one billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred three".