131031324422201 has 4 divisors (see below), whose sum is σ = 149750085053952. Its totient is φ = 112312563790452.

The previous prime is 131031324422183. The next prime is 131031324422227. The reversal of 131031324422201 is 102224423130131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131031324422201 - 2⁶ = 131031324422137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131031324422261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9359380315865 + ... + 9359380315878.

It is an arithmetic number, because the mean of its divisors is an integer number (37437521263488).

Almost surely, 2^{131031324422201} is an apocalyptic number.

It is an amenable number.

131031324422201 is a deficient number, since it is larger than the sum of its proper divisors (18718760631751).

131031324422201 is an equidigital number, since it uses as much as digits as its factorization.

131031324422201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18718760631750.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131031324422201 its reverse (102224423130131), we get a palindrome (233255747552332).

The spelling of 131031324422201 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred twenty-four million, four hundred twenty-two thousand, two hundred one".