100838471 has 2 divisors, whose sum is σ = 100838472.
Its totient is φ = 100838470.
The previous prime is 100838461. The next prime is 100838503. The reversal of 100838471 is 174838001.
It is an a-pointer prime, because the next prime (100838503) can be obtained adding 100838471 to its sum of digits (32).
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-100838471 is a prime.
It is a super-3 number, since 3×1008384713 (a number of 25 digits) contains 333 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (100838411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50419235 + 50419236.
It is an arithmetic number, because the mean of its divisors is an integer number (50419236).
Almost surely, 2100838471 is an apocalyptic number.
100838471 is a deficient number, since it is larger than the sum of its proper divisors (1).
100838471 is an equidigital number, since it uses as much as digits as its factorization.
100838471 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5376, while the sum is 32.
The square root of 100838471 is about 10041.8360372992.
The cubic root of 100838471 is about 465.4525535972.
The spelling of 100838471 in words is "one hundred million, eight hundred thirty-eight thousand, four hundred seventy-one".