100312213 has 8 divisors (see below), whose sum is σ = 102216960.
Its totient is φ = 98414400.
The previous prime is 100312151. The next prime is 100312253. The reversal of 100312213 is 312213001.
Adding to 100312213 its reverse (312213001), we get a palindrome (412525214).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 100312213 - 217 = 100181141 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 100312193 and 100312202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100312253) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34413 + ... + 37213.
It is an arithmetic number, because the mean of its divisors is an integer number (12777120).
Almost surely, 2100312213 is an apocalyptic number.
It is an amenable number.
100312213 is a deficient number, since it is larger than the sum of its proper divisors (1904747).
100312213 is an equidigital number, since it uses as much as digits as its factorization.
100312213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3467.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 100312213 is about 10015.5984843643.
The cubic root of 100312213 is about 464.6414363030.
The spelling of 100312213 in words is "one hundred million, three hundred twelve thousand, two hundred thirteen".