38131803 has 28 divisors (see below), whose sum is σ = 60202440. Its totient is φ = 24074496.

The previous prime is 38131789. The next prime is 38131811. The reversal of 38131803 is 30813183.

38131803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38131803 - 2⁴ = 38131787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (38131823) 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 27 ways as a sum of consecutive naturals, for example, 12475 + ... + 15227.

Almost surely, 2^38131803 is an apocalyptic number.

38131803 is a deficient number, since it is larger than the sum of its proper divisors (22070637).

38131803 is an equidigital number, since it uses as much as digits as its factorization.

38131803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 38131803 is about 6175.0953838787. The cubic root of 38131803 is about 336.5857925314.

Adding to 38131803 its reverse (30813183), we get a palindrome (68944986).

It can be divided in two parts, 3813180 and 3, that added together give a palindrome (3813183).

The spelling of 38131803 in words is "thirty-eight million, one hundred thirty-one thousand, eight hundred three".