131685923353 has 4 divisors (see below), whose sum is σ = 132236910720. Its totient is φ = 131134935988.

The previous prime is 131685923329. The next prime is 131685923359. The reversal of 131685923353 is 353329586131.

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.

It is a cyclic number.

It is not a de Polignac number, because 131685923353 - 2²¹ = 131683826201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131685923297 and 131685923306.

It is not an unprimeable number, because it can be changed into a prime (131685923359) 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, 275493325 + ... + 275493802.

It is an arithmetic number, because the mean of its divisors is an integer number (33059227680).

Almost surely, 2^131685923353 is an apocalyptic number.

It is an amenable number.

131685923353 is a deficient number, since it is larger than the sum of its proper divisors (550987367).

131685923353 is an equidigital number, since it uses as much as digits as its factorization.

131685923353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550987366.

The product of its digits is 1749600, while the sum is 49.

The spelling of 131685923353 in words is "one hundred thirty-one billion, six hundred eighty-five million, nine hundred twenty-three thousand, three hundred fifty-three".