2731202273 has 2 divisors, whose sum is σ = 2731202274. Its totient is φ = 2731202272.

The previous prime is 2731202239. The next prime is 2731202293. The reversal of 2731202273 is 3722021372.

It is a happy number.

2731202273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2530894864 + 200307409 = 50308^2 + 14153^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731202273 - 2²⁰ = 2730153697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2731202293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365601136 + 1365601137.

It is an arithmetic number, because the mean of its divisors is an integer number (1365601137).

Almost surely, 2^2731202273 is an apocalyptic number.

It is an amenable number.

2731202273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731202273 is an equidigital number, since it uses as much as digits as its factorization.

2731202273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 2731202273 is about 52260.9057805163. The cubic root of 2731202273 is about 1397.8201233908.

The spelling of 2731202273 in words is "two billion, seven hundred thirty-one million, two hundred two thousand, two hundred seventy-three".