2881281143 has 8 divisors (see below), whose sum is σ = 3203012736. Its totient is φ = 2573848800.

The previous prime is 2881281103. The next prime is 2881281181. The reversal of 2881281143 is 3411821882.

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 2881281143 - 2¹⁰ = 2881280119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2881281097 and 2881281106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881281103) 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, 3574388 + ... + 3575193.

It is an arithmetic number, because the mean of its divisors is an integer number (400376592).

Almost surely, 2^2881281143 is an apocalyptic number.

2881281143 is a deficient number, since it is larger than the sum of its proper divisors (321731593).

2881281143 is a wasteful number, since it uses less digits than its factorization.

2881281143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149625.

The product of its digits is 24576, while the sum is 38.

The square root of 2881281143 is about 53677.5664779990. The cubic root of 2881281143 is about 1422.9682576029.

The spelling of 2881281143 in words is "two billion, eight hundred eighty-one million, two hundred eighty-one thousand, one hundred forty-three".