100207213 has 2 divisors, whose sum is σ = 100207214. Its totient is φ = 100207212.

The previous prime is 100207183. The next prime is 100207223. The reversal of 100207213 is 312702001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66879684 + 33327529 = 8178^2 + 5773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100207213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100207223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50103606 + 50103607.

It is an arithmetic number, because the mean of its divisors is an integer number (50103607).

Almost surely, 2^100207213 is an apocalyptic number.

It is an amenable number.

100207213 is a deficient number, since it is larger than the sum of its proper divisors (1).

100207213 is an equidigital number, since it uses as much as digits as its factorization.

100207213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 100207213 is about 10010.3552884001. The cubic root of 100207213 is about 464.4792613571.

Adding to 100207213 its reverse (312702001), we get a palindrome (412909214).

The spelling of 100207213 in words is "one hundred million, two hundred seven thousand, two hundred thirteen".