2011243513 has 8 divisors (see below), whose sum is σ = 2104564736. Its totient is φ = 1919700000.

The previous prime is 2011243511. The next prime is 2011243517. The reversal of 2011243513 is 3153421102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011243513 - 2¹ = 2011243511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011243511) 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 in 7 ways as a sum of consecutive naturals, for example, 442113 + ... + 446638.

It is an arithmetic number, because the mean of its divisors is an integer number (263070592).

Almost surely, 2^2011243513 is an apocalyptic number.

It is an amenable number.

2011243513 is a deficient number, since it is larger than the sum of its proper divisors (93321223).

2011243513 is an equidigital number, since it uses as much as digits as its factorization.

2011243513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888855.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2011243513 is about 44846.8896691844. The cubic root of 2011243513 is about 1262.2776291420.

Adding to 2011243513 its reverse (3153421102), we get a palindrome (5164664615).

The spelling of 2011243513 in words is "two billion, eleven million, two hundred forty-three thousand, five hundred thirteen".