2731340311 has 6 divisors (see below), whose sum is σ = 3177273480. Its totient is φ = 2341148796.

The previous prime is 2731340279. The next prime is 2731340329. The reversal of 2731340311 is 1130431372.

2731340311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2731340311 - 2⁵ = 2731340279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731340341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27870771 + ... + 27870868.

It is an arithmetic number, because the mean of its divisors is an integer number (529545580).

Almost surely, 2^2731340311 is an apocalyptic number.

2731340311 is a deficient number, since it is larger than the sum of its proper divisors (445933169).

2731340311 is an equidigital number, since it uses as much as digits as its factorization.

2731340311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55741653 (or 55741646 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2731340311 is about 52262.2264259762. The cubic root of 2731340311 is about 1397.8436721219.

Adding to 2731340311 its reverse (1130431372), we get a palindrome (3861771683).

The spelling of 2731340311 in words is "two billion, seven hundred thirty-one million, three hundred forty thousand, three hundred eleven".