1331223333 has 16 divisors (see below), whose sum is σ = 1988659776. Its totient is φ = 784995840.

The previous prime is 1331223331. The next prime is 1331223343. The reversal of 1331223333 is 3333221331.

It is not a de Polignac number, because 1331223333 - 2¹ = 1331223331 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331223331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543916 + ... + 546357.

It is an arithmetic number, because the mean of its divisors is an integer number (124291236).

Almost surely, 2^1331223333 is an apocalyptic number.

It is an amenable number.

1331223333 is a deficient number, since it is larger than the sum of its proper divisors (657436443).

1331223333 is a wasteful number, since it uses less digits than its factorization.

1331223333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090324.

The product of its digits is 2916, while the sum is 24.

The square root of 1331223333 is about 36485.9333579395. The cubic root of 1331223333 is about 1100.0615208016.

Adding to 1331223333 its reverse (3333221331), we get a palindrome (4664444664).

The spelling of 1331223333 in words is "one billion, three hundred thirty-one million, two hundred twenty-three thousand, three hundred thirty-three".