131335056 has 30 divisors (see below), whose sum is σ = 367556150. Its totient is φ = 43778304.

The previous prime is 131335027. The next prime is 131335067. The reversal of 131335056 is 650533131.

It can be written as a sum of positive squares in only one way, i.e., 79495056 + 51840000 = 8916^2 + 7200^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 455881 + ... + 456168.

Almost surely, 2^131335056 is an apocalyptic number.

131335056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131335056 is an abundant number, since it is smaller than the sum of its proper divisors (236221094).

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

131335056 is a wasteful number, since it uses less digits than its factorization.

131335056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912063 (or 912054 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 131335056 is about 11460.1507843483. The cubic root of 131335056 is about 508.3079332526.

Adding to 131335056 its reverse (650533131), we get a palindrome (781868187).

The spelling of 131335056 in words is "one hundred thirty-one million, three hundred thirty-five thousand, fifty-six".