82030311 has 48 divisors (see below), whose sum is σ = 133660800. Its totient is φ = 48058560.

The previous prime is 82030301. The next prime is 82030313. The reversal of 82030311 is 11303028.

It is not a de Polignac number, because 82030311 - 2¹⁰ = 82029287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82030313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 550465 + ... + 550613.

It is an arithmetic number, because the mean of its divisors is an integer number (2784600).

Almost surely, 2^82030311 is an apocalyptic number.

82030311 is a deficient number, since it is larger than the sum of its proper divisors (51630489).

82030311 is a wasteful number, since it uses less digits than its factorization.

82030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 82030311 is about 9057.0586284952. The cubic root of 82030311 is about 434.5016727053.

Adding to 82030311 its reverse (11303028), we get a palindrome (93333339).

The spelling of 82030311 in words is "eighty-two million, thirty thousand, three hundred eleven".