1113243311 has 8 divisors (see below), whose sum is σ = 1124958000. Its totient is φ = 1101542400.

The previous prime is 1113243277. The next prime is 1113243331. The reversal of 1113243311 is 1133423111.

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 1113243311 - 2¹⁸ = 1112981167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113243331) 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, 269540 + ... + 273638.

It is an arithmetic number, because the mean of its divisors is an integer number (140619750).

Almost surely, 2^1113243311 is an apocalyptic number.

1113243311 is a deficient number, since it is larger than the sum of its proper divisors (11714689).

1113243311 is a wasteful number, since it uses less digits than its factorization.

1113243311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889.

The product of its digits is 216, while the sum is 20.

The square root of 1113243311 is about 33365.3010026884. The cubic root of 1113243311 is about 1036.4062693928.

Adding to 1113243311 its reverse (1133423111), we get a palindrome (2246666422).

The spelling of 1113243311 in words is "one billion, one hundred thirteen million, two hundred forty-three thousand, three hundred eleven".