131220333303 has 8 divisors (see below), whose sum is σ = 174964649088. Its totient is φ = 87478119864.

The previous prime is 131220333281. The next prime is 131220333313. The reversal of 131220333303 is 303333022131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131220333303 - 2⁵ = 131220333271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131220333313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373675 + ... + 634092.

It is an arithmetic number, because the mean of its divisors is an integer number (21870581136).

Almost surely, 2^131220333303 is an apocalyptic number.

131220333303 is a deficient number, since it is larger than the sum of its proper divisors (43744315785).

131220333303 is a wasteful number, since it uses less digits than its factorization.

131220333303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051173.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 131220333303 its reverse (303333022131), we get a palindrome (434553355434).

The spelling of 131220333303 in words is "one hundred thirty-one billion, two hundred twenty million, three hundred thirty-three thousand, three hundred three".