99311503 has 2 divisors, whose sum is σ = 99311504. Its totient is φ = 99311502.

The previous prime is 99311491. The next prime is 99311533. The reversal of 99311503 is 30511399.

It is a weak prime.

It is an emirp because it is prime and its reverse (30511399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99311503 - 2¹³ = 99303311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99311533) 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 as a sum of consecutive naturals, namely, 49655751 + 49655752.

It is an arithmetic number, because the mean of its divisors is an integer number (49655752).

Almost surely, 2^99311503 is an apocalyptic number.

99311503 is a deficient number, since it is larger than the sum of its proper divisors (1).

99311503 is an equidigital number, since it uses as much as digits as its factorization.

99311503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 99311503 is about 9965.5156916238. The cubic root of 99311503 is about 463.0911892563.

The spelling of 99311503 in words is "ninety-nine million, three hundred eleven thousand, five hundred three".