2050311 has 4 divisors (see below), whose sum is σ = 2733752. Its totient is φ = 1366872.

The previous prime is 2050277. The next prime is 2050327. The reversal of 2050311 is 1130502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2050311 - 2¹⁰ = 2049287 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341716 + ... + 341721.

It is an arithmetic number, because the mean of its divisors is an integer number (683438).

2^2050311 is an apocalyptic number.

2050311 is a deficient number, since it is larger than the sum of its proper divisors (683441).

2050311 is an equidigital number, since it uses as much as digits as its factorization.

2050311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683440.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2050311 is about 1431.8907081199. The cubic root of 2050311 is about 127.0398329183.

Adding to 2050311 its reverse (1130502), we get a palindrome (3180813).

The spelling of 2050311 in words is "two million, fifty thousand, three hundred eleven".