3313012421 has 4 divisors (see below), whose sum is σ = 3393817644. Its totient is φ = 3232207200.

The previous prime is 3313012369. The next prime is 3313012441. The reversal of 3313012421 is 1242103133.

3313012421 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1785062500 + 1527949921 = 42250^2 + 39089^2 .

It is a cyclic number.

It is not a de Polignac number, because 3313012421 - 2¹⁸ = 3312750277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3313012393 and 3313012402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313012441) 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, 40402550 + ... + 40402631.

It is an arithmetic number, because the mean of its divisors is an integer number (848454411).

Almost surely, 2^3313012421 is an apocalyptic number.

It is an amenable number.

3313012421 is a deficient number, since it is larger than the sum of its proper divisors (80805223).

3313012421 is an equidigital number, since it uses as much as digits as its factorization.

3313012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80805222.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3313012421 is about 57558.7736231411. The cubic root of 3313012421 is about 1490.7598516129.

Adding to 3313012421 its reverse (1242103133), we get a palindrome (4555115554).

The spelling of 3313012421 in words is "three billion, three hundred thirteen million, twelve thousand, four hundred twenty-one".