131848308 has 18 divisors (see below), whose sum is σ = 333283314. Its totient is φ = 43949424.

The previous prime is 131848307. The next prime is 131848309. The reversal of 131848308 is 803848131.

It is an interprime number because it is at equal distance from previous prime (131848307) and next prime (131848309).

It can be written as a sum of positive squares in only one way, i.e., 97061904 + 34786404 = 9852^2 + 5898^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3662453 = 131848308 / (1 + 3 + 1 + 8 + 4 + 8 + 3 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131848307) 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 5 ways as a sum of consecutive naturals, for example, 1831191 + ... + 1831262.

Almost surely, 2^131848308 is an apocalyptic number.

131848308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

131848308 is an abundant number, since it is smaller than the sum of its proper divisors (201435006).

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

131848308 is a wasteful number, since it uses less digits than its factorization.

131848308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662463 (or 3662458 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 131848308 is about 11482.5218484443. The cubic root of 131848308 is about 508.9692214063.

The spelling of 131848308 in words is "one hundred thirty-one million, eight hundred forty-eight thousand, three hundred eight".