40310013 has 16 divisors (see below), whose sum is σ = 55872000. Its totient is φ = 25823040.

The previous prime is 40309993. The next prime is 40310027. The reversal of 40310013 is 31001304.

It is not a de Polignac number, because 40310013 - 2⁵ = 40309981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12403 + ... + 15311.

It is an arithmetic number, because the mean of its divisors is an integer number (3492000).

Almost surely, 2^40310013 is an apocalyptic number.

It is an amenable number.

40310013 is a deficient number, since it is larger than the sum of its proper divisors (15561987).

40310013 is a wasteful number, since it uses less digits than its factorization.

40310013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092.

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

The square root of 40310013 is about 6349.0166955207. The cubic root of 40310013 is about 342.8764412004.

Adding to 40310013 its reverse (31001304), we get a palindrome (71311317).

The spelling of 40310013 in words is "forty million, three hundred ten thousand, thirteen".