1113323111 has 2 divisors, whose sum is σ = 1113323112. Its totient is φ = 1113323110.

The previous prime is 1113323093. The next prime is 1113323129. The reversal of 1113323111 is 1113233111.

It is a balanced prime because it is at equal distance from previous prime (1113323093) and next prime (1113323129).

It is an emirp because it is prime and its reverse (1113233111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113323111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113323111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113323131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556661555 + 556661556.

It is an arithmetic number, because the mean of its divisors is an integer number (556661556).

Almost surely, 2^1113323111 is an apocalyptic number.

1113323111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113323111 is an equidigital number, since it uses as much as digits as its factorization.

1113323111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54, while the sum is 17.

The square root of 1113323111 is about 33366.4968343996. The cubic root of 1113323111 is about 1036.4310328455.

Adding to 1113323111 its reverse (1113233111), we get a palindrome (2226556222).

Subtracting from 1113323111 its reverse (1113233111), we obtain a square (90000 = 300²).

The spelling of 1113323111 in words is "one billion, one hundred thirteen million, three hundred twenty-three thousand, one hundred eleven".