131002300221 has 32 divisors (see below), whose sum is σ = 188544048000. Its totient is φ = 80429255424.

The previous prime is 131002300207. The next prime is 131002300223. The reversal of 131002300221 is 122003200131.

It is not a de Polignac number, because 131002300221 - 2⁹ = 131002299709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131002300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002300223) 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 31 ways as a sum of consecutive naturals, for example, 47653155 + ... + 47655903.

It is an arithmetic number, because the mean of its divisors is an integer number (5892001500).

Almost surely, 2^131002300221 is an apocalyptic number.

It is an amenable number.

131002300221 is a deficient number, since it is larger than the sum of its proper divisors (57541747779).

131002300221 is a wasteful number, since it uses less digits than its factorization.

131002300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 131002300221 its reverse (122003200131), we get a palindrome (253005500352).

The spelling of 131002300221 in words is "one hundred thirty-one billion, two million, three hundred thousand, two hundred twenty-one".