2881128317 has 2 divisors, whose sum is σ = 2881128318. Its totient is φ = 2881128316.

The previous prime is 2881128311. The next prime is 2881128353. The reversal of 2881128317 is 7138211882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2117932441 + 763195876 = 46021^2 + 27626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2881128317 - 2⁶ = 2881128253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2881128311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440564158 + 1440564159.

It is an arithmetic number, because the mean of its divisors is an integer number (1440564159).

Almost surely, 2^2881128317 is an apocalyptic number.

It is an amenable number.

2881128317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2881128317 is an equidigital number, since it uses as much as digits as its factorization.

2881128317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 41.

The square root of 2881128317 is about 53676.1429035284. The cubic root of 2881128317 is about 1422.9430986104.

The spelling of 2881128317 in words is "two billion, eight hundred eighty-one million, one hundred twenty-eight thousand, three hundred seventeen".