131122233108 has 48 divisors (see below), whose sum is σ = 340052973120. Its totient is φ = 43693725600.

The previous prime is 131122233107. The next prime is 131122233133. The reversal of 131122233108 is 801332221131.

131122233108 is a `hidden beast` number, since 13 + 112 + 223 + 310 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122233107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159403 + ... + 536333.

It is an arithmetic number, because the mean of its divisors is an integer number (7084436940).

Almost surely, 2^131122233108 is an apocalyptic number.

131122233108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

131122233108 is an abundant number, since it is smaller than the sum of its proper divisors (208930740012).

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

131122233108 is a wasteful number, since it uses less digits than its factorization.

131122233108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380165 (or 380157 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131122233108 its reverse (801332221131), we get a palindrome (932454454239).

The spelling of 131122233108 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-three thousand, one hundred eight".