40911231 has 8 divisors (see below), whose sum is σ = 57757104. Its totient is φ = 25669760.

The previous prime is 40911229. The next prime is 40911239. The reversal of 40911231 is 13211904.

40911231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40911231 - 2¹ = 40911229 is a prime.

It is a super-2 number, since 2×40911231² = 3347457643870722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40911198 and 40911207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40911239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401040 + ... + 401141.

It is an arithmetic number, because the mean of its divisors is an integer number (7219638).

Almost surely, 2^40911231 is an apocalyptic number.

40911231 is a deficient number, since it is larger than the sum of its proper divisors (16845873).

40911231 is a wasteful number, since it uses less digits than its factorization.

40911231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802201.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 40911231 is about 6396.1887870825. The cubic root of 40911231 is about 344.5726866637.

The spelling of 40911231 in words is "forty million, nine hundred eleven thousand, two hundred thirty-one".