40603131 has 12 divisors (see below), whose sum is σ = 58773000. Its totient is φ = 27011520.

The previous prime is 40603127. The next prime is 40603163. The reversal of 40603131 is 13130604.

It is not a de Polignac number, because 40603131 - 2² = 40603127 is a prime.

It is a super-2 number, since 2×40603131² = 3297228494006322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40603181) 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 11 ways as a sum of consecutive naturals, for example, 30 + ... + 9011.

It is an arithmetic number, because the mean of its divisors is an integer number (4897750).

Almost surely, 2^40603131 is an apocalyptic number.

40603131 is a deficient number, since it is larger than the sum of its proper divisors (18169869).

40603131 is a wasteful number, since it uses less digits than its factorization.

40603131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9546 (or 9543 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 40603131 is about 6372.0586155496. The cubic root of 40603131 is about 343.7055208124.

Adding to 40603131 its reverse (13130604), we get a palindrome (53733735).

The spelling of 40603131 in words is "forty million, six hundred three thousand, one hundred thirty-one".