2065950831 has 16 divisors (see below), whose sum is σ = 3149121024. Its totient is φ = 1180166304.

The previous prime is 2065950811. The next prime is 2065950839. The reversal of 2065950831 is 1380595602.

It is not a de Polignac number, because 2065950831 - 2⁷ = 2065950703 is a prime.

It is a super-2 number, since 2×2065950831² = 8536305672219181122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2065950831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065950839) 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 in 15 ways as a sum of consecutive naturals, for example, 60121 + ... + 88013.

It is an arithmetic number, because the mean of its divisors is an integer number (196820064).

Almost surely, 2^2065950831 is an apocalyptic number.

2065950831 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2065950831 is a deficient number, since it is larger than the sum of its proper divisors (1083170193).

2065950831 is a wasteful number, since it uses less digits than its factorization.

2065950831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31430.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 2065950831 is about 45452.7318320912. The cubic root of 2065950831 is about 1273.6203620387.

The spelling of 2065950831 in words is "two billion, sixty-five million, nine hundred fifty thousand, eight hundred thirty-one".