131321105006 has 16 divisors (see below), whose sum is σ = 242438963424. Its totient is φ = 51951206304.

The previous prime is 131321104997. The next prime is 131321105077. The reversal of 131321105006 is 600501123131.

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, 360772085 + ... + 360772448.

It is an arithmetic number, because the mean of its divisors is an integer number (15152435214).

Almost surely, 2^131321105006 is an apocalyptic number.

131321105006 is a deficient number, since it is larger than the sum of its proper divisors (111117858418).

131321105006 is a wasteful number, since it uses less digits than its factorization.

131321105006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721544555.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 131321105006 its reverse (600501123131), we get a palindrome (731822228137).

The spelling of 131321105006 in words is "one hundred thirty-one billion, three hundred twenty-one million, one hundred five thousand, six".