131550611 has 8 divisors (see below), whose sum is σ = 134225424. Its totient is φ = 128883040.

The previous prime is 131550557. The next prime is 131550613. The reversal of 131550611 is 116055131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131550611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131550613) 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 7 ways as a sum of consecutive naturals, for example, 48881 + ... + 51501.

It is an arithmetic number, because the mean of its divisors is an integer number (16778178).

Almost surely, 2^131550611 is an apocalyptic number.

131550611 is a deficient number, since it is larger than the sum of its proper divisors (2674813).

131550611 is an equidigital number, since it uses as much as digits as its factorization.

131550611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 131550611 is about 11469.5514733576. The cubic root of 131550611 is about 508.5858697790.

The spelling of 131550611 in words is "one hundred thirty-one million, five hundred fifty thousand, six hundred eleven".