3113203321 has 4 divisors (see below), whose sum is σ = 3120231312. Its totient is φ = 3106175332.

The previous prime is 3113203309. The next prime is 3113203351. The reversal of 3113203321 is 1233023113.

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 3113203321 - 2⁷ = 3113203193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113203351) 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, 3513331 + ... + 3514216.

It is an arithmetic number, because the mean of its divisors is an integer number (780057828).

Almost surely, 2^3113203321 is an apocalyptic number.

It is an amenable number.

3113203321 is a deficient number, since it is larger than the sum of its proper divisors (7027991).

3113203321 is an equidigital number, since it uses as much as digits as its factorization.

3113203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027990.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3113203321 is about 55796.0869685321. The cubic root of 3113203321 is about 1460.1668854396.

Adding to 3113203321 its reverse (1233023113), we get a palindrome (4346226434).

The spelling of 3113203321 in words is "three billion, one hundred thirteen million, two hundred three thousand, three hundred twenty-one".