1121323313 has 8 divisors (see below), whose sum is σ = 1225699776. Its totient is φ = 1017353200.

The previous prime is 1121323297. The next prime is 1121323319. The reversal of 1121323313 is 3133231211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121323313 - 2⁴ = 1121323297 is a prime.

It is a super-3 number, since 3×1121323313³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121323319) 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, 95798 + ... + 106863.

It is an arithmetic number, because the mean of its divisors is an integer number (153212472).

Almost surely, 2^1121323313 is an apocalyptic number.

It is an amenable number.

1121323313 is a deficient number, since it is larger than the sum of its proper divisors (104376463).

1121323313 is a wasteful number, since it uses less digits than its factorization.

1121323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203175.

The product of its digits is 324, while the sum is 20.

The square root of 1121323313 is about 33486.1659943326. The cubic root of 1121323313 is about 1038.9076650434.

Adding to 1121323313 its reverse (3133231211), we get a palindrome (4254554524).

The spelling of 1121323313 in words is "one billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred thirteen".