131181154841 has 4 divisors (see below), whose sum is σ = 143106714384. Its totient is φ = 119255595300.

The previous prime is 131181154831. The next prime is 131181154889. The reversal of 131181154841 is 148451181131.

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 131181154841 - 2²⁶ = 131114045977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131181154795 and 131181154804.

It is not an unprimeable number, because it can be changed into a prime (131181154831) 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, 5962779755 + ... + 5962779776.

It is an arithmetic number, because the mean of its divisors is an integer number (35776678596).

Almost surely, 2^131181154841 is an apocalyptic number.

131181154841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131181154841 is a deficient number, since it is larger than the sum of its proper divisors (11925559543).

131181154841 is a wasteful number, since it uses less digits than its factorization.

131181154841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11925559542.

The product of its digits is 15360, while the sum is 38.

The spelling of 131181154841 in words is "one hundred thirty-one billion, one hundred eighty-one million, one hundred fifty-four thousand, eight hundred forty-one".