3428320781271 has 16 divisors (see below), whose sum is σ = 4682774799360. Its totient is φ = 2229711506880.

The previous prime is 3428320781269. The next prime is 3428320781293. The reversal of 3428320781271 is 1721870238243.

It is not a de Polignac number, because 3428320781271 - 2¹ = 3428320781269 is a prime.

It is a super-3 number, since 3×3428320781271³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3428320781271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428320781251) 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, 2541210 + ... + 3648888.

It is an arithmetic number, because the mean of its divisors is an integer number (292673424960).

Almost surely, 2^{3428320781271} is an apocalyptic number.

3428320781271 is a deficient number, since it is larger than the sum of its proper divisors (1254454018089).

3428320781271 is a wasteful number, since it uses less digits than its factorization.

3428320781271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132886.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 3428320781271 in words is "three trillion, four hundred twenty-eight billion, three hundred twenty million, seven hundred eighty-one thousand, two hundred seventy-one".