2319318160221 has 16 divisors (see below), whose sum is σ = 3274514593344. Its totient is φ = 1455177087744.

The previous prime is 2319318160213. The next prime is 2319318160261. The reversal of 2319318160221 is 1220618139132.

It is not a de Polignac number, because 2319318160221 - 2³ = 2319318160213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2319318160221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2319318160261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343671 + ... + 2180996.

It is an arithmetic number, because the mean of its divisors is an integer number (204657162084).

Almost surely, 2^{2319318160221} is an apocalyptic number.

It is an amenable number.

2319318160221 is a deficient number, since it is larger than the sum of its proper divisors (955196433123).

2319318160221 is a wasteful number, since it uses less digits than its factorization.

2319318160221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542700.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 2319318160221 in words is "two trillion, three hundred nineteen billion, three hundred eighteen million, one hundred sixty thousand, two hundred twenty-one".