131115348 has 120 divisors (see below), whose sum is σ = 421955072. Its totient is φ = 34572096.

The previous prime is 131115343. The next prime is 131115359. The reversal of 131115348 is 843511131.

131115348 is a `hidden beast` number, since 1 + 311 + 1 + 5 + 348 = 666.

It is a super-2 number, since 2×131115348² = 34382468962322208, which contains 22 as substring.

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 (131115343) 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 39 ways as a sum of consecutive naturals, for example, 27261 + ... + 31707.

Almost surely, 2^131115348 is an apocalyptic number.

131115348 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 131115348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210977536).

131115348 is an abundant number, since it is smaller than the sum of its proper divisors (290839724).

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

131115348 is a wasteful number, since it uses less digits than its factorization.

131115348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483 (or 4472 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 131115348 is about 11450.5610342900. The cubic root of 131115348 is about 508.0243287168.

Adding to 131115348 its reverse (843511131), we get a palindrome (974626479).

The spelling of 131115348 in words is "one hundred thirty-one million, one hundred fifteen thousand, three hundred forty-eight".