131152241 has 4 divisors (see below), whose sum is σ = 143075184. Its totient is φ = 119229300.

The previous prime is 131152223. The next prime is 131152249. The reversal of 131152241 is 142251131.

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: 142251131 = 11 ⋅12931921.

It is a cyclic number.

It is not a de Polignac number, because 131152241 - 2¹⁰ = 131151217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131152249) 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, 5961455 + ... + 5961476.

It is an arithmetic number, because the mean of its divisors is an integer number (35768796).

Almost surely, 2^131152241 is an apocalyptic number.

131152241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131152241 is a deficient number, since it is larger than the sum of its proper divisors (11922943).

131152241 is a wasteful number, since it uses less digits than its factorization.

131152241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11922942.

The product of its digits is 240, while the sum is 20.

The square root of 131152241 is about 11452.1718900827. The cubic root of 131152241 is about 508.0719732380.

The spelling of 131152241 in words is "one hundred thirty-one million, one hundred fifty-two thousand, two hundred forty-one".