40471313 has 4 divisors (see below), whose sum is σ = 40491888. Its totient is φ = 40450740.

The previous prime is 40471279. The next prime is 40471351. The reversal of 40471313 is 31317404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40471313 - 2¹⁴ = 40454929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40471393) 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 in 3 ways as a sum of consecutive naturals, for example, 6983 + ... + 11388.

It is an arithmetic number, because the mean of its divisors is an integer number (10122972).

Almost surely, 2^40471313 is an apocalyptic number.

It is an amenable number.

40471313 is a deficient number, since it is larger than the sum of its proper divisors (20575).

40471313 is a wasteful number, since it uses less digits than its factorization.

40471313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20574.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40471313 is about 6361.7067678415. The cubic root of 40471313 is about 343.3331711020. Note that the first 3 decimals are identical.

Adding to 40471313 its reverse (31317404), we get a palindrome (71788717).

It can be divided in two parts, 404 and 71313, that added together give a palindrome (71717).

The spelling of 40471313 in words is "forty million, four hundred seventy-one thousand, three hundred thirteen".