131353085 has 4 divisors (see below), whose sum is σ = 157623708. Its totient is φ = 105082464.

The previous prime is 131353073. The next prime is 131353087. The reversal of 131353085 is 580353131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580353131 = 421 ⋅1378511.

It can be written as a sum of positive squares in 2 ways, for example, as 92987449 + 38365636 = 9643^2 + 6194^2 .

It is a cyclic number.

It is not a de Polignac number, because 131353085 - 2¹⁰ = 131352061 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 (131353087) 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, 13135304 + ... + 13135313.

It is an arithmetic number, because the mean of its divisors is an integer number (39405927).

Almost surely, 2^131353085 is an apocalyptic number.

It is an amenable number.

131353085 is a deficient number, since it is larger than the sum of its proper divisors (26270623).

131353085 is an equidigital number, since it uses as much as digits as its factorization.

131353085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26270622.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 131353085 is about 11460.9373525903. The cubic root of 131353085 is about 508.3311914867.

The spelling of 131353085 in words is "one hundred thirty-one million, three hundred fifty-three thousand, eighty-five".