40031130 has 16 divisors (see below), whose sum is σ = 96074784. Its totient is φ = 10674960.

The previous prime is 40031113. The next prime is 40031171. The reversal of 40031130 is 3113004.

40031130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 667156 + ... + 667215.

It is an arithmetic number, because the mean of its divisors is an integer number (6004674).

Almost surely, 2^40031130 is an apocalyptic number.

40031130 is an abundant number, since it is smaller than the sum of its proper divisors (56043654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40031130 is a wasteful number, since it uses less digits than its factorization.

40031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334381.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 40031130 is about 6327.0158842854. The cubic root of 40031130 is about 342.0838855821.

Adding to 40031130 its reverse (3113004), we get a palindrome (43144134).

The spelling of 40031130 in words is "forty million, thirty-one thousand, one hundred thirty".