38310113 has 4 divisors (see below), whose sum is σ = 39244548. Its totient is φ = 37375680.

The previous prime is 38310101. The next prime is 38310143. The reversal of 38310113 is 31101383.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2226064 + 36084049 = 1492^2 + 6007^2 .

It is a cyclic number.

It is not a de Polignac number, because 38310113 - 2⁶ = 38310049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38310143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467156 + ... + 467237.

It is an arithmetic number, because the mean of its divisors is an integer number (9811137).

Almost surely, 2^38310113 is an apocalyptic number.

It is an amenable number.

38310113 is a deficient number, since it is larger than the sum of its proper divisors (934435).

38310113 is an equidigital number, since it uses as much as digits as its factorization.

38310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934434.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 38310113 is about 6189.5163785226. The cubic root of 38310113 is about 337.1096186760.

Adding to 38310113 its reverse (31101383), we get a palindrome (69411496).

The spelling of 38310113 in words is "thirty-eight million, three hundred ten thousand, one hundred thirteen".