38210113 has 2 divisors, whose sum is σ = 38210114. Its totient is φ = 38210112.

The previous prime is 38210077. The next prime is 38210147. The reversal of 38210113 is 31101283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31945104 + 6265009 = 5652^2 + 2503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38210113 is a prime.

It is not a weakly prime, because it can be changed into another prime (38210173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19105056 + 19105057.

It is an arithmetic number, because the mean of its divisors is an integer number (19105057).

Almost surely, 2^38210113 is an apocalyptic number.

It is an amenable number.

38210113 is a deficient number, since it is larger than the sum of its proper divisors (1).

38210113 is an equidigital number, since it uses as much as digits as its factorization.

38210113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 38210113 is about 6181.4329244925. The cubic root of 38210113 is about 336.8160466182.

Adding to 38210113 its reverse (31101283), we get a palindrome (69311396).

The spelling of 38210113 in words is "thirty-eight million, two hundred ten thousand, one hundred thirteen".