131210443122 has 64 divisors (see below), whose sum is σ = 293126777856. Its totient is φ = 38810640960.

The previous prime is 131210443121. The next prime is 131210443127. The reversal of 131210443122 is 221344012131.

It is a junction number, because it is equal to n+sod(n) for n = 131210443092 and 131210443101.

It is not an unprimeable number, because it can be changed into a prime (131210443121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4563363 + ... + 4592025.

It is an arithmetic number, because the mean of its divisors is an integer number (4580105904).

Almost surely, 2^131210443122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131210443122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146563388928).

131210443122 is an abundant number, since it is smaller than the sum of its proper divisors (161916334734).

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

131210443122 is a wasteful number, since it uses less digits than its factorization.

131210443122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30335.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131210443122 its reverse (221344012131), we get a palindrome (352554455253).

The spelling of 131210443122 in words is "one hundred thirty-one billion, two hundred ten million, four hundred forty-three thousand, one hundred twenty-two".