9003142321 has 2 divisors, whose sum is σ = 9003142322. Its totient is φ = 9003142320.

The previous prime is 9003142289. The next prime is 9003142339. The reversal of 9003142321 is 1232413009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4965175296 + 4037967025 = 70464^2 + 63545^2 .

It is a cyclic number.

It is not a de Polignac number, because 9003142321 - 2⁵ = 9003142289 is a prime.

It is not a weakly prime, because it can be changed into another prime (9003142391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4501571160 + 4501571161.

It is an arithmetic number, because the mean of its divisors is an integer number (4501571161).

Almost surely, 2^9003142321 is an apocalyptic number.

It is an amenable number.

9003142321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9003142321 is an equidigital number, since it uses as much as digits as its factorization.

9003142321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 9003142321 is about 94884.8898455386. The cubic root of 9003142321 is about 2080.3258797378.

The spelling of 9003142321 in words is "nine billion, three million, one hundred forty-two thousand, three hundred twenty-one".