319929110161 has 4 divisors (see below), whose sum is σ = 336767484400. Its totient is φ = 303090735924.

The previous prime is 319929110117. The next prime is 319929110183. The reversal of 319929110161 is 161011929913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-319929110161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319929110101) 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, 8419187091 + ... + 8419187128.

It is an arithmetic number, because the mean of its divisors is an integer number (84191871100).

Almost surely, 2^319929110161 is an apocalyptic number.

It is an amenable number.

319929110161 is a deficient number, since it is larger than the sum of its proper divisors (16838374239).

319929110161 is a wasteful number, since it uses less digits than its factorization.

319929110161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16838374238.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 319929110161 in words is "three hundred nineteen billion, nine hundred twenty-nine million, one hundred ten thousand, one hundred sixty-one".