2013111043 has 2 divisors, whose sum is σ = 2013111044. Its totient is φ = 2013111042.

The previous prime is 2013110993. The next prime is 2013111103. The reversal of 2013111043 is 3401113102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013111043 - 2¹³ = 2013102851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013111143) 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, 1006555521 + 1006555522.

It is an arithmetic number, because the mean of its divisors is an integer number (1006555522).

Almost surely, 2^2013111043 is an apocalyptic number.

2013111043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013111043 is an equidigital number, since it uses as much as digits as its factorization.

2013111043 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 16.

The square root of 2013111043 is about 44867.7060144599. The cubic root of 2013111043 is about 1262.6682021165.

Adding to 2013111043 its reverse (3401113102), we get a palindrome (5414224145).

The spelling of 2013111043 in words is "two billion, thirteen million, one hundred eleven thousand, forty-three".