38203113 has 8 divisors (see below), whose sum is σ = 54855808. Its totient is φ = 23509584.

The previous prime is 38203093. The next prime is 38203133. The reversal of 38203113 is 31130283.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38203093) and next prime (38203133).

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

It is not a de Polignac number, because 38203113 - 2²⁵ = 4648681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38203113.

It is not an unprimeable number, because it can be changed into a prime (38203133) 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, 489745 + ... + 489822.

It is an arithmetic number, because the mean of its divisors is an integer number (6856976).

Almost surely, 2^38203113 is an apocalyptic number.

It is an amenable number.

38203113 is a deficient number, since it is larger than the sum of its proper divisors (16652695).

38203113 is a wasteful number, since it uses less digits than its factorization.

38203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979583.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 38203113 is about 6180.8666868005. The cubic root of 38203113 is about 336.7954774012.

Adding to 38203113 its reverse (31130283), we get a palindrome (69333396).

The spelling of 38203113 in words is "thirty-eight million, two hundred three thousand, one hundred thirteen".