99313147 has 2 divisors, whose sum is σ = 99313148. Its totient is φ = 99313146.

The previous prime is 99313141. The next prime is 99313157. The reversal of 99313147 is 74131399.

It is a weak prime.

It is an emirp because it is prime and its reverse (74131399) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99313147 is a prime.

It is not a weakly prime, because it can be changed into another prime (99313141) 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, 49656573 + 49656574.

It is an arithmetic number, because the mean of its divisors is an integer number (49656574).

Almost surely, 2^99313147 is an apocalyptic number.

99313147 is a deficient number, since it is larger than the sum of its proper divisors (1).

99313147 is an equidigital number, since it uses as much as digits as its factorization.

99313147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 99313147 is about 9965.5981757243. The cubic root of 99313147 is about 463.0937445753.

The spelling of 99313147 in words is "ninety-nine million, three hundred thirteen thousand, one hundred forty-seven".