3113330321 has 4 divisors (see below), whose sum is σ = 3116938752. Its totient is φ = 3109721892.

The previous prime is 3113330237. The next prime is 3113330359. The reversal of 3113330321 is 1230333113.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1230333113 = 1609 ⋅764657.

It is a cyclic number.

It is not a de Polignac number, because 3113330321 - 2¹⁸ = 3113068177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3113330293 and 3113330302.

It is not an unprimeable number, because it can be changed into a prime (3113330371) 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, 1802921 + ... + 1804646.

It is an arithmetic number, because the mean of its divisors is an integer number (779234688).

Almost surely, 2^3113330321 is an apocalyptic number.

It is an amenable number.

3113330321 is a deficient number, since it is larger than the sum of its proper divisors (3608431).

3113330321 is an equidigital number, since it uses as much as digits as its factorization.

3113330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608430.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 3113330321 is about 55797.2250295658. The cubic root of 3113330321 is about 1460.1867405164.

Adding to 3113330321 its reverse (1230333113), we get a palindrome (4343663434).

The spelling of 3113330321 in words is "three billion, one hundred thirteen million, three hundred thirty thousand, three hundred twenty-one".