2113043231263 has 2 divisors, whose sum is σ = 2113043231264. Its totient is φ = 2113043231262.

The previous prime is 2113043231207. The next prime is 2113043231269. The reversal of 2113043231263 is 3621323403112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113043231263 - 2⁹ = 2113043230751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113043231269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056521615631 + 1056521615632.

It is an arithmetic number, because the mean of its divisors is an integer number (1056521615632).

Almost surely, 2^{2113043231263} is an apocalyptic number.

2113043231263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113043231263 is an equidigital number, since it uses as much as digits as its factorization.

2113043231263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 2113043231263 its reverse (3621323403112), we get a palindrome (5734366634375).

The spelling of 2113043231263 in words is "two trillion, one hundred thirteen billion, forty-three million, two hundred thirty-one thousand, two hundred sixty-three".