2313211543 has 2 divisors, whose sum is σ = 2313211544. Its totient is φ = 2313211542.

The previous prime is 2313211529. The next prime is 2313211559. The reversal of 2313211543 is 3451123132.

It is a happy number.

2313211543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2313211543 - 2¹³ = 2313203351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313211583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156605771 + 1156605772.

It is an arithmetic number, because the mean of its divisors is an integer number (1156605772).

Almost surely, 2^2313211543 is an apocalyptic number.

2313211543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313211543 is an equidigital number, since it uses as much as digits as its factorization.

2313211543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 2313211543 is about 48095.8578569922. The cubic root of 2313211543 is about 1322.5287351935.

Adding to 2313211543 its reverse (3451123132), we get a palindrome (5764334675).

The spelling of 2313211543 in words is "two billion, three hundred thirteen million, two hundred eleven thousand, five hundred forty-three".