131115312105150 has 96 divisors (see below), whose sum is σ = 344327013089280. Its totient is φ = 32904158225920.

The previous prime is 131115312105143. The next prime is 131115312105161. The reversal of 131115312105150 is 51501213511131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23654467 + ... + 28666433.

It is an arithmetic number, because the mean of its divisors is an integer number (3586739719680).

Almost surely, 2^{131115312105150} is an apocalyptic number.

131115312105150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131115312105150 is an abundant number, since it is smaller than the sum of its proper divisors (213211700984130).

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

131115312105150 is a wasteful number, since it uses less digits than its factorization.

131115312105150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022258 (or 5022253 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 30.

Adding to 131115312105150 its reverse (51501213511131), we get a palindrome (182616525616281).

The spelling of 131115312105150 in words is "one hundred thirty-one trillion, one hundred fifteen billion, three hundred twelve million, one hundred five thousand, one hundred fifty".