131020203442222 has 16 divisors (see below), whose sum is σ = 200712142105920. Its totient is φ = 64116160811008.

The previous prime is 131020203442213. The next prime is 131020203442229. The reversal of 131020203442222 is 222244302020131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020203442229) 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, 101863854 + ... + 103142062.

It is an arithmetic number, because the mean of its divisors is an integer number (12544508881620).

Almost surely, 2^{131020203442222} is an apocalyptic number.

131020203442222 is a deficient number, since it is larger than the sum of its proper divisors (69691938663698).

131020203442222 is a wasteful number, since it uses less digits than its factorization.

131020203442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368715.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 131020203442222 its reverse (222244302020131), we get a palindrome (353264505462353).

The spelling of 131020203442222 in words is "one hundred thirty-one trillion, twenty billion, two hundred three million, four hundred forty-two thousand, two hundred twenty-two".