131332321001 has 12 divisors (see below), whose sum is σ = 152787839940. Its totient is φ = 112560608160.

The previous prime is 131332320991. The next prime is 131332321007. The reversal of 131332321001 is 100123233131.

It can be written as a sum of positive squares in 2 ways, for example, as 79995637225 + 51336683776 = 282835^2 + 226576^2 .

It is not a de Polignac number, because 131332321001 - 2⁶ = 131332320937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131332321007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471011 + ... + 696071.

It is an arithmetic number, because the mean of its divisors is an integer number (12732319995).

Almost surely, 2^131332321001 is an apocalyptic number.

It is an amenable number.

131332321001 is a deficient number, since it is larger than the sum of its proper divisors (21455518939).

131332321001 is a wasteful number, since it uses less digits than its factorization.

131332321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236984 (or 236977 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131332321001 its reverse (100123233131), we get a palindrome (231455554132).

The spelling of 131332321001 in words is "one hundred thirty-one billion, three hundred thirty-two million, three hundred twenty-one thousand, one".