131123130222 has 32 divisors (see below), whose sum is σ = 303077548800. Its totient is φ = 37042809408.

The previous prime is 131123130217. The next prime is 131123130223. The reversal of 131123130222 is 222031321131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123130223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17535472 + ... + 17542947.

It is an arithmetic number, because the mean of its divisors is an integer number (9471173400).

Almost surely, 2^131123130222 is an apocalyptic number.

131123130222 is an abundant number, since it is smaller than the sum of its proper divisors (171954418578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131123130222 is a wasteful number, since it uses less digits than its factorization.

131123130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35078520.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131123130222 its reverse (222031321131), we get a palindrome (353154451353).

The spelling of 131123130222 in words is "one hundred thirty-one billion, one hundred twenty-three million, one hundred thirty thousand, two hundred twenty-two".