131755433441 has 4 divisors (see below), whose sum is σ = 131774406192. Its totient is φ = 131736460692.

The previous prime is 131755433417. The next prime is 131755433449. The reversal of 131755433441 is 144334557131.

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 a de Polignac number, because none of the positive numbers 2^k-131755433441 is a prime.

It is a super-2 number, since 2×131755433441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131755433449) 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, 9475955 + ... + 9489848.

It is an arithmetic number, because the mean of its divisors is an integer number (32943601548).

Almost surely, 2^131755433441 is an apocalyptic number.

It is an amenable number.

131755433441 is a deficient number, since it is larger than the sum of its proper divisors (18972751).

131755433441 is an equidigital number, since it uses as much as digits as its factorization.

131755433441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972750.

The product of its digits is 302400, while the sum is 41.

The spelling of 131755433441 in words is "one hundred thirty-one billion, seven hundred fifty-five million, four hundred thirty-three thousand, four hundred forty-one".