3012221331 has 16 divisors (see below), whose sum is σ = 5100057600. Its totient is φ = 1721269224.

The previous prime is 3012221327. The next prime is 3012221351. The reversal of 3012221331 is 1331222103.

It is not a de Polignac number, because 3012221331 - 2² = 3012221327 is a prime.

It is a super-2 number, since 2×3012221331² = 18146954693862823122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3012221321) 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 15 ways as a sum of consecutive naturals, for example, 7968651 + ... + 7969028.

It is an arithmetic number, because the mean of its divisors is an integer number (318753600).

Almost surely, 2^3012221331 is an apocalyptic number.

3012221331 is a deficient number, since it is larger than the sum of its proper divisors (2087836269).

3012221331 is a wasteful number, since it uses less digits than its factorization.

3012221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15937695 (or 15937689 counting only the distinct ones).

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

The square root of 3012221331 is about 54883.7073365129. The cubic root of 3012221331 is about 1444.2053845657.

Adding to 3012221331 its reverse (1331222103), we get a palindrome (4343443434).

The spelling of 3012221331 in words is "three billion, twelve million, two hundred twenty-one thousand, three hundred thirty-one".