1133443321 has 8 divisors (see below), whose sum is σ = 1160703104. Its totient is φ = 1106224560.

The previous prime is 1133443307. The next prime is 1133443331. The reversal of 1133443321 is 1233443311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133443321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133443301) 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, 49840 + ... + 68926.

It is an arithmetic number, because the mean of its divisors is an integer number (145087888).

Almost surely, 2^1133443321 is an apocalyptic number.

It is an amenable number.

1133443321 is a deficient number, since it is larger than the sum of its proper divisors (27259783).

1133443321 is a wasteful number, since it uses less digits than its factorization.

1133443321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20511.

The product of its digits is 2592, while the sum is 25.

The square root of 1133443321 is about 33666.6499818441. The cubic root of 1133443321 is about 1042.6373278788.

Adding to 1133443321 its reverse (1233443311), we get a palindrome (2366886632).

The spelling of 1133443321 in words is "one billion, one hundred thirty-three million, four hundred forty-three thousand, three hundred twenty-one".