40031141 has 4 divisors (see below), whose sum is σ = 42385932. Its totient is φ = 37676352.

The previous prime is 40031113. The next prime is 40031171. The reversal of 40031141 is 14113004.

It is a happy number.

40031141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17430625 + 22600516 = 4175^2 + 4754^2 .

It is not a de Polignac number, because 40031141 - 2¹⁰ = 40030117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031171) 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 3 ways as a sum of consecutive naturals, for example, 1177370 + ... + 1177403.

It is an arithmetic number, because the mean of its divisors is an integer number (10596483).

Almost surely, 2^40031141 is an apocalyptic number.

It is an amenable number.

40031141 is a deficient number, since it is larger than the sum of its proper divisors (2354791).

40031141 is a wasteful number, since it uses less digits than its factorization.

40031141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354790.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 40031141 is about 6327.0167535735. The cubic root of 40031141 is about 342.0839169154.

Adding to 40031141 its reverse (14113004), we get a palindrome (54144145).

The spelling of 40031141 in words is "forty million, thirty-one thousand, one hundred forty-one".