43131110411 has 2 divisors, whose sum is σ = 43131110412. Its totient is φ = 43131110410.

The previous prime is 43131110381. The next prime is 43131110413. The reversal of 43131110411 is 11401113134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43131110411 is a prime.

It is a Sophie Germain prime.

Together with 43131110413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43131110413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21565555205 + 21565555206.

It is an arithmetic number, because the mean of its divisors is an integer number (21565555206).

Almost surely, 2^43131110411 is an apocalyptic number.

43131110411 is a deficient number, since it is larger than the sum of its proper divisors (1).

43131110411 is an equidigital number, since it uses as much as digits as its factorization.

43131110411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 43131110411 its reverse (11401113134), we get a palindrome (54532223545).

The spelling of 43131110411 in words is "forty-three billion, one hundred thirty-one million, one hundred ten thousand, four hundred eleven".