3340003021 has 4 divisors (see below), whose sum is σ = 3340859200. Its totient is φ = 3339146844.

The previous prime is 3340003003. The next prime is 3340003031. The reversal of 3340003021 is 1203000433.

3340003021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1203000433 = 229 ⋅5253277.

It is a cyclic number.

It is not a de Polignac number, because 3340003021 - 2⁷ = 3340002893 is a prime.

It is a super-2 number, since 2×3340003021² = 22311240360578252882, 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 = 3340002986 and 3340003004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3340003031) 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, 422211 + ... + 430048.

It is an arithmetic number, because the mean of its divisors is an integer number (835214800).

Almost surely, 2^3340003021 is an apocalyptic number.

It is an amenable number.

3340003021 is a deficient number, since it is larger than the sum of its proper divisors (856179).

3340003021 is an equidigital number, since it uses as much as digits as its factorization.

3340003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856178.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3340003021 is about 57792.7592436976. The cubic root of 3340003021 is about 1494.7972374087.

Adding to 3340003021 its reverse (1203000433), we get a palindrome (4543003454).

The spelling of 3340003021 in words is "three billion, three hundred forty million, three thousand, twenty-one".