38131113 has 8 divisors (see below), whose sum is σ = 51454368. Its totient is φ = 25114304.

The previous prime is 38131109. The next prime is 38131139. The reversal of 38131113 is 31113183.

38131113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 38131113 - 2² = 38131109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38131113.

It is not an unprimeable number, because it can be changed into a prime (38131183) by changing a digit.

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, 76320 + ... + 76817.

It is an arithmetic number, because the mean of its divisors is an integer number (6431796).

Almost surely, 2^38131113 is an apocalyptic number.

It is an amenable number.

38131113 is a deficient number, since it is larger than the sum of its proper divisors (13323255).

38131113 is a wasteful number, since it uses less digits than its factorization.

38131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153223.

The product of its digits is 216, while the sum is 21.

The square root of 38131113 is about 6175.0395140436. The cubic root of 38131113 is about 336.5837623311.

Adding to 38131113 its reverse (31113183), we get a palindrome (69244296).

The spelling of 38131113 in words is "thirty-eight million, one hundred thirty-one thousand, one hundred thirteen".