3013312221 has 12 divisors (see below), whose sum is σ = 4423916380. Its totient is φ = 1975942080.

The previous prime is 3013312219. The next prime is 3013312229. The reversal of 3013312221 is 1222133103.

It can be written as a sum of positive squares in 2 ways, for example, as 69056100 + 2944256121 = 8310^2 + 54261^2 .

It is not a de Polignac number, because 3013312221 - 2¹ = 3013312219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3013312194 and 3013312203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013312229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2743816 + ... + 2744913.

Almost surely, 2^3013312221 is an apocalyptic number.

It is an amenable number.

3013312221 is a deficient number, since it is larger than the sum of its proper divisors (1410604159).

3013312221 is a wasteful number, since it uses less digits than its factorization.

3013312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488796 (or 5488793 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3013312221 is about 54893.6446321430. The cubic root of 3013312221 is about 1444.3797054283.

Adding to 3013312221 its reverse (1222133103), we get a palindrome (4235445324).

The spelling of 3013312221 in words is "three billion, thirteen million, three hundred twelve thousand, two hundred twenty-one".