40031314 has 4 divisors (see below), whose sum is σ = 60046974. Its totient is φ = 20015656.

The previous prime is 40031287. The next prime is 40031317. The reversal of 40031314 is 41313004.

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

It can be written as a sum of positive squares in only one way, i.e., 25170289 + 14861025 = 5017^2 + 3855^2 .

It is a super-2 number, since 2×40031314² = 3205012201133192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40031317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007827 + ... + 10007830.

Almost surely, 2^40031314 is an apocalyptic number.

40031314 is a deficient number, since it is larger than the sum of its proper divisors (20015660).

40031314 is a wasteful number, since it uses less digits than its factorization.

40031314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20015659.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40031314 is about 6327.0304250889. The cubic root of 40031314 is about 342.0844097020.

Adding to 40031314 its reverse (41313004), we get a palindrome (81344318).

The spelling of 40031314 in words is "forty million, thirty-one thousand, three hundred fourteen".