1112311133 has 4 divisors (see below), whose sum is σ = 1112731488. Its totient is φ = 1111890780.

The previous prime is 1112311127. The next prime is 1112311141. The reversal of 1112311133 is 3311132111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112311133 - 2⁶ = 1112311069 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 (1112311103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206183 + ... + 211508.

It is an arithmetic number, because the mean of its divisors is an integer number (278182872).

Almost surely, 2^1112311133 is an apocalyptic number.

It is an amenable number.

1112311133 is a deficient number, since it is larger than the sum of its proper divisors (420355).

1112311133 is an equidigital number, since it uses as much as digits as its factorization.

1112311133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420354.

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

The square root of 1112311133 is about 33351.3288041121. The cubic root of 1112311133 is about 1036.1169091965.

Adding to 1112311133 its reverse (3311132111), we get a palindrome (4423443244).

The spelling of 1112311133 in words is "one billion, one hundred twelve million, three hundred eleven thousand, one hundred thirty-three".