1133113321 has 4 divisors (see below), whose sum is σ = 1133796352. Its totient is φ = 1132430292.

The previous prime is 1133113309. The next prime is 1133113337. The reversal of 1133113321 is 1233113311.

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 1133113321 - 2⁹ = 1133112809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133113391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339021 + ... + 342346.

It is an arithmetic number, because the mean of its divisors is an integer number (283449088).

Almost surely, 2^1133113321 is an apocalyptic number.

It is an amenable number.

1133113321 is a deficient number, since it is larger than the sum of its proper divisors (683031).

1133113321 is an equidigital number, since it uses as much as digits as its factorization.

1133113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683030.

The product of its digits is 162, while the sum is 19.

The square root of 1133113321 is about 33661.7486325354. The cubic root of 1133113321 is about 1042.5361307247.

Adding to 1133113321 its reverse (1233113311), we get a palindrome (2366226632).

The spelling of 1133113321 in words is "one billion, one hundred thirty-three million, one hundred thirteen thousand, three hundred twenty-one".