9090331 has 2 divisors, whose sum is σ = 9090332. Its totient is φ = 9090330.

The previous prime is 9090259. The next prime is 9090353. The reversal of 9090331 is 1330909.

9090331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1330909) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9090331 - 2⁷ = 9090203 is a prime.

It is a super-2 number, since 2×9090331² = 165268235379122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9090296 and 9090305.

It is not a weakly prime, because it can be changed into another prime (9090391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545165 + 4545166.

It is an arithmetic number, because the mean of its divisors is an integer number (4545166).

Almost surely, 2^9090331 is an apocalyptic number.

9090331 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090331 is an equidigital number, since it uses as much as digits as its factorization.

9090331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 9090331 is about 3015.0175787216. The cubic root of 9090331 is about 208.7019782685.

The spelling of 9090331 in words is "nine million, ninety thousand, three hundred thirty-one".