3313020121 has 4 divisors (see below), whose sum is σ = 3313410100. Its totient is φ = 3312630144.

The previous prime is 3313020107. The next prime is 3313020143. The reversal of 3313020121 is 1210203133.

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 1835694025 + 1477326096 = 42845^2 + 38436^2 .

It is a cyclic number.

It is not a de Polignac number, because 3313020121 - 2⁹ = 3313019609 is a prime.

It is a super-2 number, since 2×3313020121² = 21952204644301709282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3313020095 and 3313020104.

It is not an unprimeable number, because it can be changed into a prime (3313020421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181956 + ... + 199333.

It is an arithmetic number, because the mean of its divisors is an integer number (828352525).

Almost surely, 2^3313020121 is an apocalyptic number.

It is an amenable number.

3313020121 is a deficient number, since it is larger than the sum of its proper divisors (389979).

3313020121 is an equidigital number, since it uses as much as digits as its factorization.

3313020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389978.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3313020121 is about 57558.8405112542. The cubic root of 3313020121 is about 1490.7610065378.

Adding to 3313020121 its reverse (1210203133), we get a palindrome (4523223254).

The spelling of 3313020121 in words is "three billion, three hundred thirteen million, twenty thousand, one hundred twenty-one".