9030031221 has 8 divisors (see below), whose sum is σ = 12042609760. Its totient is φ = 6018736752.

The previous prime is 9030031211. The next prime is 9030031271. The reversal of 9030031221 is 1221300309.

It is a happy number.

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

It is not a de Polignac number, because 9030031221 - 2⁷ = 9030031093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9030031211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304486 + ... + 332823.

It is an arithmetic number, because the mean of its divisors is an integer number (1505326220).

Almost surely, 2^9030031221 is an apocalyptic number.

It is an amenable number.

9030031221 is a deficient number, since it is larger than the sum of its proper divisors (3012578539).

9030031221 is a wasteful number, since it uses less digits than its factorization.

9030031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642035.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 9030031221 is about 95026.4764210480. The cubic root of 9030031221 is about 2082.3948639773.

The spelling of 9030031221 in words is "nine billion, thirty million, thirty-one thousand, two hundred twenty-one".