40211031 has 8 divisors (see below), whose sum is σ = 61273984. Its totient is φ = 22977720.

The previous prime is 40211009. The next prime is 40211053. The reversal of 40211031 is 13011204.

It is a happy number.

40211031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40211009) and next prime (40211053).

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

It is not a de Polignac number, because 40211031 - 2¹¹ = 40208983 is a prime.

It is a super-2 number, since 2×40211031² = 3233854028165922, 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 = 40210998 and 40211016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40211071) 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, 957385 + ... + 957426.

It is an arithmetic number, because the mean of its divisors is an integer number (7659248).

Almost surely, 2^40211031 is an apocalyptic number.

40211031 is a deficient number, since it is larger than the sum of its proper divisors (21062953).

40211031 is a wasteful number, since it uses less digits than its factorization.

40211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914821.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 40211031 is about 6341.2168390617. The cubic root of 40211031 is about 342.5955646449.

Adding to 40211031 its reverse (13011204), we get a palindrome (53222235).

The spelling of 40211031 in words is "forty million, two hundred eleven thousand, thirty-one".