131222244220413 has 8 divisors (see below), whose sum is σ = 176240094427968. Its totient is φ = 86842945079904.

The previous prime is 131222244220381. The next prime is 131222244220531. The reversal of 131222244220413 is 314022442222131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131222244220413 - 2⁵ = 131222244220381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222244120413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159637766281 + ... + 159637767102.

It is an arithmetic number, because the mean of its divisors is an integer number (22030011803496).

Almost surely, 2^{131222244220413} is an apocalyptic number.

It is an amenable number.

131222244220413 is a deficient number, since it is larger than the sum of its proper divisors (45017850207555).

131222244220413 is a wasteful number, since it uses less digits than its factorization.

131222244220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319275533523.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 131222244220413 its reverse (314022442222131), we get a palindrome (445244686442544).

The spelling of 131222244220413 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, two hundred forty-four million, two hundred twenty thousand, four hundred thirteen".