2040143317 has 2 divisors, whose sum is σ = 2040143318. Its totient is φ = 2040143316.

The previous prime is 2040143267. The next prime is 2040143381. The reversal of 2040143317 is 7133410402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1832610481 + 207532836 = 42809^2 + 14406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040143317 - 2¹¹ = 2040141269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040143291 and 2040143300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040143117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020071658 + 1020071659.

It is an arithmetic number, because the mean of its divisors is an integer number (1020071659).

Almost surely, 2^2040143317 is an apocalyptic number.

It is an amenable number.

2040143317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040143317 is an equidigital number, since it uses as much as digits as its factorization.

2040143317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2040143317 is about 45167.9456805377. The cubic root of 2040143317 is about 1268.2948403742.

Adding to 2040143317 its reverse (7133410402), we get a palindrome (9173553719).

The spelling of 2040143317 in words is "two billion, forty million, one hundred forty-three thousand, three hundred seventeen".