131411 has 4 divisors (see below), whose sum is σ = 150192. Its totient is φ = 112632.

The previous prime is 131381. The next prime is 131413. The reversal of 131411 is 114131.

131411 = 134² + 135² + ... + 140².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114131 = 61 ⋅1871.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131392 and 131401.

It is not an unprimeable number, because it can be changed into a prime (131413) 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, 9380 + ... + 9393.

It is an arithmetic number, because the mean of its divisors is an integer number (37548).

2¹³¹⁴¹¹ is an apocalyptic number.

131411 is a deficient number, since it is larger than the sum of its proper divisors (18781).

131411 is an equidigital number, since it uses as much as digits as its factorization.

131411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18780.

The product of its digits is 12, while the sum is 11.

The square root of 131411 is about 362.5065516649. The cubic root of 131411 is about 50.8405890088.

Adding to 131411 its reverse (114131), we get a palindrome (245542).

The spelling of 131411 in words is "one hundred thirty-one thousand, four hundred eleven".