131317848 has 80 divisors (see below), whose sum is σ = 370085760. Its totient is φ = 43502400.

The previous prime is 131317841. The next prime is 131317889. The reversal of 131317848 is 848713131.

It is a super-3 number, since 3×131317848³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131317841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 123238 + ... + 124298.

It is an arithmetic number, because the mean of its divisors is an integer number (4626072).

Almost surely, 2^131317848 is an apocalyptic number.

131317848 is a gapful number since it is divisible by the number (18) 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 131317848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185042880).

131317848 is an abundant number, since it is smaller than the sum of its proper divisors (238767912).

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

131317848 is a wasteful number, since it uses less digits than its factorization.

131317848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1257 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 131317848 is about 11459.3999842924. The cubic root of 131317848 is about 508.2857321607.

The spelling of 131317848 in words is "one hundred thirty-one million, three hundred seventeen thousand, eight hundred forty-eight".