131106648 has 16 divisors (see below), whose sum is σ = 327766680. Its totient is φ = 43702208.

The previous prime is 131106589. The next prime is 131106667. The reversal of 131106648 is 846601131.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2731365 + ... + 2731412.

Almost surely, 2^131106648 is an apocalyptic number.

It is an amenable number.

131106648 is an abundant number, since it is smaller than the sum of its proper divisors (196660032).

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

131106648 is a wasteful number, since it uses less digits than its factorization.

131106648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462786 (or 5462782 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 131106648 is about 11450.1811339384. The cubic root of 131106648 is about 508.0130920221.

Adding to 131106648 its reverse (846601131), we get a palindrome (977707779).

The spelling of 131106648 in words is "one hundred thirty-one million, one hundred six thousand, six hundred forty-eight".