9991300343 has 8 divisors (see below), whose sum is σ = 10111046400. Its totient is φ = 9872257120.

The previous prime is 9991300339. The next prime is 9991300391. The reversal of 9991300343 is 3430031999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9991300343 - 2² = 9991300339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9991300343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9991300393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147080 + ... + 203997.

It is an arithmetic number, because the mean of its divisors is an integer number (1263880800).

Almost surely, 2^9991300343 is an apocalyptic number.

9991300343 is a deficient number, since it is larger than the sum of its proper divisors (119746057).

9991300343 is a wasteful number, since it uses less digits than its factorization.

9991300343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351417.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 9991300343 is about 99956.4922503786. The cubic root of 9991300343 is about 2153.8097473429.

The spelling of 9991300343 in words is "nine billion, nine hundred ninety-one million, three hundred thousand, three hundred forty-three".