131650305 has 32 divisors (see below), whose sum is σ = 216501120. Its totient is φ = 68275200.

The previous prime is 131650301. The next prime is 131650327. The reversal of 131650305 is 503056131.

It is not a de Polignac number, because 131650305 - 2² = 131650301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131650301) 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 31 ways as a sum of consecutive naturals, for example, 258391 + ... + 258899.

It is an arithmetic number, because the mean of its divisors is an integer number (6765660).

Almost surely, 2^131650305 is an apocalyptic number.

131650305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131650305 is a deficient number, since it is larger than the sum of its proper divisors (84850815).

131650305 is a wasteful number, since it uses less digits than its factorization.

131650305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 131650305 is about 11473.8966789840. The cubic root of 131650305 is about 508.7143125041.

The spelling of 131650305 in words is "one hundred thirty-one million, six hundred fifty thousand, three hundred five".