131608353337 has 4 divisors (see below), whose sum is σ = 137330455680. Its totient is φ = 125886250996.

The previous prime is 131608353323. The next prime is 131608353361. The reversal of 131608353337 is 733353806131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733353806131 = 2749 ⋅266771119.

It is a cyclic number.

It is not a de Polignac number, because 131608353337 - 2⁷ = 131608353209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131608353293 and 131608353302.

It is not an unprimeable number, because it can be changed into a prime (131608353307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861051137 + ... + 2861051182.

It is an arithmetic number, because the mean of its divisors is an integer number (34332613920).

Almost surely, 2^131608353337 is an apocalyptic number.

It is an amenable number.

131608353337 is a deficient number, since it is larger than the sum of its proper divisors (5722102343).

131608353337 is an equidigital number, since it uses as much as digits as its factorization.

131608353337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722102342.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 131608353337 in words is "one hundred thirty-one billion, six hundred eight million, three hundred fifty-three thousand, three hundred thirty-seven".