38213101 has 2 divisors, whose sum is σ = 38213102. Its totient is φ = 38213100.

The previous prime is 38213089. The next prime is 38213137. The reversal of 38213101 is 10131283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24000201 + 14212900 = 4899^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 38213101 - 2¹⁵ = 38180333 is a prime.

It is equal to p_2331262 and since 38213101 and 2331262 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38213171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19106550 + 19106551.

It is an arithmetic number, because the mean of its divisors is an integer number (19106551).

Almost surely, 2^38213101 is an apocalyptic number.

It is an amenable number.

38213101 is a deficient number, since it is larger than the sum of its proper divisors (1).

38213101 is an equidigital number, since it uses as much as digits as its factorization.

38213101 is an evil number, because the sum of its binary digits is even.

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

The square root of 38213101 is about 6181.6746113007. The cubic root of 38213101 is about 336.8248259704.

Adding to 38213101 its reverse (10131283), we get a palindrome (48344384).

The spelling of 38213101 in words is "thirty-eight million, two hundred thirteen thousand, one hundred one".