2013010091 has 2 divisors, whose sum is σ = 2013010092. Its totient is φ = 2013010090.

The previous prime is 2013010063. The next prime is 2013010177. The reversal of 2013010091 is 1900103102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013010091 - 2²⁶ = 1945901227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013010691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006505045 + 1006505046.

It is an arithmetic number, because the mean of its divisors is an integer number (1006505046).

Almost surely, 2^2013010091 is an apocalyptic number.

2013010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013010091 is an equidigital number, since it uses as much as digits as its factorization.

2013010091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2013010091 is about 44866.5810041282. The cubic root of 2013010091 is about 1262.6470953141.

Adding to 2013010091 its reverse (1900103102), we get a palindrome (3913113193).

The spelling of 2013010091 in words is "two billion, thirteen million, ten thousand, ninety-one".