3111131111411 has 2 divisors, whose sum is σ = 3111131111412. Its totient is φ = 3111131111410.

The previous prime is 3111131111399. The next prime is 3111131111447. The reversal of 3111131111411 is 1141111311113.

It is a happy number.

It is a m-pointer prime, because the next prime (3111131111447) can be obtained adding 3111131111411 to its product of digits (36).

It is a weak prime.

It is an emirp because it is prime and its reverse (1141111311113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3111131111411 - 2³⁴ = 3093951242227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3111131011411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555565555705 + 1555565555706.

It is an arithmetic number, because the mean of its divisors is an integer number (1555565555706).

Almost surely, 2^{3111131111411} is an apocalyptic number.

3111131111411 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111131111411 is an equidigital number, since it uses as much as digits as its factorization.

3111131111411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36, while the sum is 20.

Adding to 3111131111411 its reverse (1141111311113), we get a palindrome (4252242422524).

The spelling of 3111131111411 in words is "three trillion, one hundred eleven billion, one hundred thirty-one million, one hundred eleven thousand, four hundred eleven".