830397303191 has 4 divisors (see below), whose sum is σ = 830746652352. Its totient is φ = 830047954032.

The previous prime is 830397303181. The next prime is 830397303223. The reversal of 830397303191 is 191303793038.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830397303191 is a prime.

It is a super-2 number, since 2×830397303191² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830397303121) 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 in 3 ways as a sum of consecutive naturals, for example, 174671015 + ... + 174675768.

It is an arithmetic number, because the mean of its divisors is an integer number (207686663088).

Almost surely, 2^830397303191 is an apocalyptic number.

830397303191 is a deficient number, since it is larger than the sum of its proper divisors (349349161).

830397303191 is a wasteful number, since it uses less digits than its factorization.

830397303191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349349160.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 830397303191 in words is "eight hundred thirty billion, three hundred ninety-seven million, three hundred three thousand, one hundred ninety-one".