2311540211 has 2 divisors, whose sum is σ = 2311540212. Its totient is φ = 2311540210.

The previous prime is 2311540159. The next prime is 2311540241. The reversal of 2311540211 is 1120451132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2311540211 - 2¹⁴ = 2311523827 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311540241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155770105 + 1155770106.

It is an arithmetic number, because the mean of its divisors is an integer number (1155770106).

Almost surely, 2^2311540211 is an apocalyptic number.

2311540211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311540211 is an equidigital number, since it uses as much as digits as its factorization.

2311540211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2311540211 is about 48078.4797076613. The cubic root of 2311540211 is about 1322.2101424614.

Adding to 2311540211 its reverse (1120451132), we get a palindrome (3431991343).

The spelling of 2311540211 in words is "two billion, three hundred eleven million, five hundred forty thousand, two hundred eleven".