131051528 has 16 divisors (see below), whose sum is σ = 246037500. Its totient is φ = 65441536.

The previous prime is 131051527. The next prime is 131051561. The reversal of 131051528 is 825150131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 129458884 + 1592644 = 11378^2 + 1262^2 .

It is a super-2 number, since 2×131051528² = 34349005982269568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131051497 and 131051506.

It is not an unprimeable number, because it can be changed into a prime (131051527) 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 3 ways as a sum of consecutive naturals, for example, 3653 + ... + 16596.

Almost surely, 2^131051528 is an apocalyptic number.

It is an amenable number.

131051528 is a deficient number, since it is larger than the sum of its proper divisors (114985972).

131051528 is a wasteful number, since it uses less digits than its factorization.

131051528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21064 (or 21060 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 131051528 is about 11447.7739320795. The cubic root of 131051528 is about 507.9418889033.

The spelling of 131051528 in words is "one hundred thirty-one million, fifty-one thousand, five hundred twenty-eight".