1011113243 has 8 divisors (see below), whose sum is σ = 1156378080. Its totient is φ = 866053440.

The previous prime is 1011113239. The next prime is 1011113249. The reversal of 1011113243 is 3423111101.

1011113243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1011113243 - 2² = 1011113239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011113249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40538 + ... + 60543.

It is an arithmetic number, because the mean of its divisors is an integer number (144547260).

Almost surely, 2^1011113243 is an apocalyptic number.

1011113243 is a deficient number, since it is larger than the sum of its proper divisors (145264837).

1011113243 is a wasteful number, since it uses less digits than its factorization.

1011113243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102517.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1011113243 is about 31798.0069029491. The cubic root of 1011113243 is about 1003.6907757493.

Adding to 1011113243 its reverse (3423111101), we get a palindrome (4434224344).

The spelling of 1011113243 in words is "one billion, eleven million, one hundred thirteen thousand, two hundred forty-three".