2013101263 has 2 divisors, whose sum is σ = 2013101264. Its totient is φ = 2013101262.

The previous prime is 2013101261. The next prime is 2013101297. The reversal of 2013101263 is 3621013102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013101263 - 2¹ = 2013101261 is a prime.

Together with 2013101261, 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 2013101263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013101261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006550631 + 1006550632.

It is an arithmetic number, because the mean of its divisors is an integer number (1006550632).

Almost surely, 2^2013101263 is an apocalyptic number.

2013101263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013101263 is an equidigital number, since it uses as much as digits as its factorization.

2013101263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2013101263 is about 44867.5970272534. The cubic root of 2013101263 is about 1262.6661573684. Note that the first 3 decimals are identical.

Adding to 2013101263 its reverse (3621013102), we get a palindrome (5634114365).

The spelling of 2013101263 in words is "two billion, thirteen million, one hundred one thousand, two hundred sixty-three".