38102231 has 4 divisors (see below), whose sum is σ = 38215632. Its totient is φ = 37988832.

The previous prime is 38102227. The next prime is 38102249. The reversal of 38102231 is 13220183.

38102231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 38102231 - 2² = 38102227 is a prime.

It is a super-2 number, since 2×38102231² = 2903560014354722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38102261) 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 3 ways as a sum of consecutive naturals, for example, 56195 + ... + 56868.

It is an arithmetic number, because the mean of its divisors is an integer number (9553908).

Almost surely, 2^38102231 is an apocalyptic number.

38102231 is a deficient number, since it is larger than the sum of its proper divisors (113401).

38102231 is a wasteful number, since it uses less digits than its factorization.

38102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113400.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 38102231 is about 6172.7004625204. The cubic root of 38102231 is about 336.4987602868.

The spelling of 38102231 in words is "thirty-eight million, one hundred two thousand, two hundred thirty-one".