131102224540 has 96 divisors (see below), whose sum is σ = 321782275584. Its totient is φ = 43940033280.

The previous prime is 131102224531. The next prime is 131102224541. The reversal of 131102224540 is 45422201131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131102224541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1175434 + ... + 1282126.

It is an arithmetic number, because the mean of its divisors is an integer number (3351898704).

Almost surely, 2^131102224540 is an apocalyptic number.

131102224540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131102224540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160891137792).

131102224540 is an abundant number, since it is smaller than the sum of its proper divisors (190680051044).

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

131102224540 is a wasteful number, since it uses less digits than its factorization.

131102224540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106907 (or 106905 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 131102224540 its reverse (45422201131), we get a palindrome (176524425671).

The spelling of 131102224540 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty-four thousand, five hundred forty".