131330221304 has 32 divisors (see below), whose sum is σ = 248151783600. Its totient is φ = 65156931840.

The previous prime is 131330221241. The next prime is 131330221327. The reversal of 131330221304 is 403122033131.

It is a self number, because there is not a number n which added to its sum of digits gives 131330221304.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2055764 + ... + 2118684.

Almost surely, 2^131330221304 is an apocalyptic number.

It is an amenable number.

131330221304 is a deficient number, since it is larger than the sum of its proper divisors (116821562296).

131330221304 is a wasteful number, since it uses less digits than its factorization.

131330221304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64943 (or 64939 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131330221304 its reverse (403122033131), we get a palindrome (534452254435).

The spelling of 131330221304 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred twenty-one thousand, three hundred four".