3331021313 has 4 divisors (see below), whose sum is σ = 3340457988. Its totient is φ = 3321584640.

The previous prime is 3331021301. The next prime is 3331021319. The reversal of 3331021313 is 3131201333.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 627853249 + 2703168064 = 25057^2 + 51992^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331021313 - 2⁴ = 3331021297 is a prime.

It is a super-2 number, since 2×3331021313² = 22191405975320487938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3331021319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4717808 + ... + 4718513.

It is an arithmetic number, because the mean of its divisors is an integer number (835114497).

Almost surely, 2^3331021313 is an apocalyptic number.

It is an amenable number.

3331021313 is a deficient number, since it is larger than the sum of its proper divisors (9436675).

3331021313 is an equidigital number, since it uses as much as digits as its factorization.

3331021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436674.

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

The square root of 3331021313 is about 57715.0007623668. Note that the first 3 decimals coincide. The cubic root of 3331021313 is about 1493.4561323415.

Adding to 3331021313 its reverse (3131201333), we get a palindrome (6462222646).

The spelling of 3331021313 in words is "three billion, three hundred thirty-one million, twenty-one thousand, three hundred thirteen".