40013313 has 8 divisors (see below), whose sum is σ = 53460000. Its totient is φ = 26621088.

The previous prime is 40013299. The next prime is 40013327. The reversal of 40013313 is 31331004.

It is an interprime number because it is at equal distance from previous prime (40013299) and next prime (40013327).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40013313 - 2⁶ = 40013249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40013292 and 40013301.

It is not an unprimeable number, because it can be changed into a prime (40013333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11868 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (6682500).

Almost surely, 2^40013313 is an apocalyptic number.

It is an amenable number.

40013313 is a deficient number, since it is larger than the sum of its proper divisors (13446687).

40013313 is a wasteful number, since it uses less digits than its factorization.

40013313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27231.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 40013313 is about 6325.6077178402. The cubic root of 40013313 is about 342.0331266431.

Adding to 40013313 its reverse (31331004), we get a palindrome (71344317).

The spelling of 40013313 in words is "forty million, thirteen thousand, three hundred thirteen".