131211341 has 4 divisors (see below), whose sum is σ = 135735900. Its totient is φ = 126686784.

The previous prime is 131211323. The next prime is 131211347. The reversal of 131211341 is 143112131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143112131 = 727 ⋅196853.

It can be written as a sum of positive squares in 2 ways, for example, as 112254025 + 18957316 = 10595^2 + 4354^2 .

It is a cyclic number.

It is not a de Polignac number, because 131211341 - 2⁶ = 131211277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211347) 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, 2262236 + ... + 2262293.

It is an arithmetic number, because the mean of its divisors is an integer number (33933975).

Almost surely, 2^131211341 is an apocalyptic number.

It is an amenable number.

131211341 is a deficient number, since it is larger than the sum of its proper divisors (4524559).

131211341 is an equidigital number, since it uses as much as digits as its factorization.

131211341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524558.

The product of its digits is 72, while the sum is 17.

The square root of 131211341 is about 11454.7518960473. The cubic root of 131211341 is about 508.1482778040.

Adding to 131211341 its reverse (143112131), we get a palindrome (274323472).

The spelling of 131211341 in words is "one hundred thirty-one million, two hundred eleven thousand, three hundred forty-one".