2131110413 has 2 divisors, whose sum is σ = 2131110414. Its totient is φ = 2131110412.

The previous prime is 2131110391. The next prime is 2131110551. The reversal of 2131110413 is 3140111312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2028331369 + 102779044 = 45037^2 + 10138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131110413 - 2²² = 2126916109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131110391 and 2131110400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131110313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065555206 + 1065555207.

It is an arithmetic number, because the mean of its divisors is an integer number (1065555207).

Almost surely, 2^2131110413 is an apocalyptic number.

It is an amenable number.

2131110413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131110413 is an equidigital number, since it uses as much as digits as its factorization.

2131110413 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2131110413 is about 46163.9514448233. The cubic root of 2131110413 is about 1286.8718978365.

Adding to 2131110413 its reverse (3140111312), we get a palindrome (5271221725).

The spelling of 2131110413 in words is "two billion, one hundred thirty-one million, one hundred ten thousand, four hundred thirteen".