131483591 has 4 divisors (see below), whose sum is σ = 138403800. Its totient is φ = 124563384.

The previous prime is 131483587. The next prime is 131483603. The reversal of 131483591 is 195384131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 195384131 = 43 ⋅4543817.

It is a cyclic number.

It is not a de Polignac number, because 131483591 - 2² = 131483587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131483501) 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 3 ways as a sum of consecutive naturals, for example, 3460076 + ... + 3460113.

It is an arithmetic number, because the mean of its divisors is an integer number (34600950).

Almost surely, 2^131483591 is an apocalyptic number.

131483591 is a deficient number, since it is larger than the sum of its proper divisors (6920209).

131483591 is an equidigital number, since it uses as much as digits as its factorization.

131483591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6920208.

The product of its digits is 12960, while the sum is 35.

The square root of 131483591 is about 11466.6294524590. The cubic root of 131483591 is about 508.4994867645.

The spelling of 131483591 in words is "one hundred thirty-one million, four hundred eighty-three thousand, five hundred ninety-one".