131301110221 has 32 divisors (see below), whose sum is σ = 139182704640. Its totient is φ = 123751051776.

The previous prime is 131301110207. The next prime is 131301110251. The reversal of 131301110221 is 122011103131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131301110221 - 2⁷ = 131301110093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131301110195 and 131301110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131301110201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25350010 + ... + 25355188.

It is an arithmetic number, because the mean of its divisors is an integer number (4349459520).

Almost surely, 2^131301110221 is an apocalyptic number.

It is an amenable number.

131301110221 is a deficient number, since it is larger than the sum of its proper divisors (7881594419).

131301110221 is an equidigital number, since it uses as much as digits as its factorization.

131301110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131301110221 its reverse (122011103131), we get a palindrome (253312213352).

The spelling of 131301110221 in words is "one hundred thirty-one billion, three hundred one million, one hundred ten thousand, two hundred twenty-one".