41020831 has 4 divisors (see below), whose sum is σ = 41041152. Its totient is φ = 41000512.

The previous prime is 41020823. The next prime is 41020849. The reversal of 41020831 is 13802014.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13802014 = 2 ⋅6901007.

It is a cyclic number.

It is not a de Polignac number, because 41020831 - 2³ = 41020823 is a prime.

It is a super-2 number, since 2×41020831² = 3365417151861122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41020799 and 41020808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41020631) 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 3 ways as a sum of consecutive naturals, for example, 6751 + ... + 11296.

It is an arithmetic number, because the mean of its divisors is an integer number (10260288).

Almost surely, 2^41020831 is an apocalyptic number.

41020831 is a deficient number, since it is larger than the sum of its proper divisors (20321).

41020831 is a wasteful number, since it uses less digits than its factorization.

41020831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20320.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 41020831 is about 6404.7506586908. The cubic root of 41020831 is about 344.8801123731.

Adding to 41020831 its reverse (13802014), we get a palindrome (54822845).

The spelling of 41020831 in words is "forty-one million, twenty thousand, eight hundred thirty-one".