131332441 has 4 divisors (see below), whose sum is σ = 131390884. Its totient is φ = 131274000.

The previous prime is 131332433. The next prime is 131332457. The reversal of 131332441 is 144233131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85377600 + 45954841 = 9240^2 + 6779^2 .

It is a cyclic number.

It is not a de Polignac number, because 131332441 - 2³ = 131332433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131332741) 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, 25710 + ... + 30391.

It is an arithmetic number, because the mean of its divisors is an integer number (32847721).

Almost surely, 2^131332441 is an apocalyptic number.

It is an amenable number.

131332441 is a deficient number, since it is larger than the sum of its proper divisors (58443).

131332441 is an equidigital number, since it uses as much as digits as its factorization.

131332441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58442.

The product of its digits is 864, while the sum is 22.

The square root of 131332441 is about 11460.0366927859. The cubic root of 131332441 is about 508.3045596064.

Adding to 131332441 its reverse (144233131), we get a palindrome (275565572).

The spelling of 131332441 in words is "one hundred thirty-one million, three hundred thirty-two thousand, four hundred forty-one".