1135112331 has 4 divisors (see below), whose sum is σ = 1513483112. Its totient is φ = 756741552.

The previous prime is 1135112311. The next prime is 1135112357. The reversal of 1135112331 is 1332115311.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1135112331 is a prime.

It is a super-2 number, since 2×1135112331² = 2576960007976507122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1135112298 and 1135112307.

It is not an unprimeable number, because it can be changed into a prime (1135112311) 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, 189185386 + ... + 189185391.

It is an arithmetic number, because the mean of its divisors is an integer number (378370778).

Almost surely, 2^1135112331 is an apocalyptic number.

1135112331 is a deficient number, since it is larger than the sum of its proper divisors (378370781).

1135112331 is an equidigital number, since it uses as much as digits as its factorization.

1135112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378370780.

The product of its digits is 270, while the sum is 21.

The square root of 1135112331 is about 33691.4281531668. The cubic root of 1135112331 is about 1043.1488425558.

Adding to 1135112331 its reverse (1332115311), we get a palindrome (2467227642).

The spelling of 1135112331 in words is "one billion, one hundred thirty-five million, one hundred twelve thousand, three hundred thirty-one".