38003113 has 2 divisors, whose sum is σ = 38003114. Its totient is φ = 38003112.

The previous prime is 38003101. The next prime is 38003123. The reversal of 38003113 is 31130083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37797904 + 205209 = 6148^2 + 453^2 .

It is an emirp because it is prime and its reverse (31130083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38003113 - 2¹³ = 37994921 is a prime.

It is a super-3 number, since 3×38003113³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (38003123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19001556 + 19001557.

It is an arithmetic number, because the mean of its divisors is an integer number (19001557).

Almost surely, 2^38003113 is an apocalyptic number.

It is an amenable number.

38003113 is a deficient number, since it is larger than the sum of its proper divisors (1).

38003113 is an equidigital number, since it uses as much as digits as its factorization.

38003113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 38003113 is about 6164.6664954400. Note that the first 3 decimals coincide. The cubic root of 38003113 is about 336.2067209814.

Adding to 38003113 its reverse (31130083), we get a palindrome (69133196).

The spelling of 38003113 in words is "thirty-eight million, three thousand, one hundred thirteen".