131608355 has 4 divisors (see below), whose sum is σ = 157930032. Its totient is φ = 105286680.

The previous prime is 131608343. The next prime is 131608387. The reversal of 131608355 is 553806131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553806131 = 179 ⋅3093889.

It is not a de Polignac number, because 131608355 - 2¹⁰ = 131607331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13160831 + ... + 13160840.

It is an arithmetic number, because the mean of its divisors is an integer number (39482508).

Almost surely, 2^131608355 is an apocalyptic number.

131608355 is a deficient number, since it is larger than the sum of its proper divisors (26321677).

131608355 is an equidigital number, since it uses as much as digits as its factorization.

131608355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26321676.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 131608355 is about 11472.0684708556. The cubic root of 131608355 is about 508.6602733015.

The spelling of 131608355 in words is "one hundred thirty-one million, six hundred eight thousand, three hundred fifty-five".