131791411 has 2 divisors, whose sum is σ = 131791412. Its totient is φ = 131791410.

The previous prime is 131791409. The next prime is 131791417. The reversal of 131791411 is 114197131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131791411 - 2¹ = 131791409 is a prime.

Together with 131791409, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131791411.

It is not a weakly prime, because it can be changed into another prime (131791417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65895705 + 65895706.

It is an arithmetic number, because the mean of its divisors is an integer number (65895706).

Almost surely, 2^131791411 is an apocalyptic number.

131791411 is a deficient number, since it is larger than the sum of its proper divisors (1).

131791411 is an equidigital number, since it uses as much as digits as its factorization.

131791411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 28.

The square root of 131791411 is about 11480.0440330166. The cubic root of 131791411 is about 508.8959984002.

The spelling of 131791411 in words is "one hundred thirty-one million, seven hundred ninety-one thousand, four hundred eleven".