131132002221401 has 4 divisors (see below), whose sum is σ = 131444966427600. Its totient is φ = 130819038015204.

The previous prime is 131132002221391. The next prime is 131132002221491. The reversal of 131132002221401 is 104122200231131.

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 131132002221401 - 2⁴⁶ = 60763258043737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131132002221491) 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, 156482102471 + ... + 156482103308.

It is an arithmetic number, because the mean of its divisors is an integer number (32861241606900).

Almost surely, 2^{131132002221401} is an apocalyptic number.

It is an amenable number.

131132002221401 is a deficient number, since it is larger than the sum of its proper divisors (312964206199).

131132002221401 is an equidigital number, since it uses as much as digits as its factorization.

131132002221401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312964206198.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131132002221401 its reverse (104122200231131), we get a palindrome (235254202452532).

The spelling of 131132002221401 in words is "one hundred thirty-one trillion, one hundred thirty-two billion, two million, two hundred twenty-one thousand, four hundred one".