990316303 has 2 divisors, whose sum is σ = 990316304. Its totient is φ = 990316302.

The previous prime is 990316291. The next prime is 990316319. The reversal of 990316303 is 303613099.

It is a happy number.

990316303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (303613099) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-990316303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990316363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495158151 + 495158152.

It is an arithmetic number, because the mean of its divisors is an integer number (495158152).

Almost surely, 2^990316303 is an apocalyptic number.

990316303 is a deficient number, since it is larger than the sum of its proper divisors (1).

990316303 is an equidigital number, since it uses as much as digits as its factorization.

990316303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 990316303 is about 31469.2914283115. The cubic root of 990316303 is about 996.7616252493.

The spelling of 990316303 in words is "nine hundred ninety million, three hundred sixteen thousand, three hundred three".