2543315311 has 12 divisors (see below), whose sum is σ = 2717952048. Its totient is φ = 2379329792.

The previous prime is 2543315303. The next prime is 2543315329. The reversal of 2543315311 is 1135133452.

It is a happy number.

It is not a de Polignac number, because 2543315311 - 2³ = 2543315303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543315311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543315911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21915 + ... + 74611.

It is an arithmetic number, because the mean of its divisors is an integer number (226496004).

Almost surely, 2^2543315311 is an apocalyptic number.

2543315311 is a deficient number, since it is larger than the sum of its proper divisors (174636737).

2543315311 is a wasteful number, since it uses less digits than its factorization.

2543315311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52898 (or 52881 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 2543315311 is about 50431.2929737083. The cubic root of 2543315311 is about 1365.0023589882.

Adding to 2543315311 its reverse (1135133452), we get a palindrome (3678448763).

The spelling of 2543315311 in words is "two billion, five hundred forty-three million, three hundred fifteen thousand, three hundred eleven".