3013013221 has 8 divisors (see below), whose sum is σ = 3023040888. Its totient is φ = 3003000000.

The previous prime is 3013013191. The next prime is 3013013233. The reversal of 3013013221 is 1223103103.

It can be written as a sum of positive squares in 4 ways, for example, as 540225 + 3012472996 = 735^2 + 54886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3013013221 - 2⁷ = 3013013093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3013013195 and 3013013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013013251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544971 + ... + 550471.

It is an arithmetic number, because the mean of its divisors is an integer number (377880111).

Almost surely, 2^3013013221 is an apocalyptic number.

It is an amenable number.

3013013221 is a deficient number, since it is larger than the sum of its proper divisors (10027667).

3013013221 is a wasteful number, since it uses less digits than its factorization.

3013013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223.

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

The square root of 3013013221 is about 54890.9211163376. The cubic root of 3013013221 is about 1444.3319303351.

Adding to 3013013221 its reverse (1223103103), we get a palindrome (4236116324).

The spelling of 3013013221 in words is "three billion, thirteen million, thirteen thousand, two hundred twenty-one".