1113103211 has 8 divisors (see below), whose sum is σ = 1219508784. Its totient is φ = 1007566720.

The previous prime is 1113103151. The next prime is 1113103213. The reversal of 1113103211 is 1123013111.

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 a de Polignac number, because none of the positive numbers 2^k-1113103211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113103213) 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, 214586 + ... + 219711.

It is an arithmetic number, because the mean of its divisors is an integer number (152438598).

Almost surely, 2^1113103211 is an apocalyptic number.

1113103211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113103211 is a deficient number, since it is larger than the sum of its proper divisors (106405573).

1113103211 is a wasteful number, since it uses less digits than its factorization.

1113103211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434541.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1113103211 is about 33363.2014501007. The cubic root of 1113103211 is about 1036.3627908443.

Adding to 1113103211 its reverse (1123013111), we get a palindrome (2236116322).

The spelling of 1113103211 in words is "one billion, one hundred thirteen million, one hundred three thousand, two hundred eleven".