2040215311 has 2 divisors, whose sum is σ = 2040215312. Its totient is φ = 2040215310.

The previous prime is 2040215297. The next prime is 2040215347. The reversal of 2040215311 is 1135120402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040215311 - 2¹⁹ = 2039691023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040215351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020107655 + 1020107656.

It is an arithmetic number, because the mean of its divisors is an integer number (1020107656).

Almost surely, 2^2040215311 is an apocalyptic number.

2040215311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040215311 is an equidigital number, since it uses as much as digits as its factorization.

2040215311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2040215311 is about 45168.7426324887. The cubic root of 2040215311 is about 1268.3097590230.

Adding to 2040215311 its reverse (1135120402), we get a palindrome (3175335713).

The spelling of 2040215311 in words is "two billion, forty million, two hundred fifteen thousand, three hundred eleven".