203010100203213 has 20 divisors (see below), whose sum is σ = 321100942807260. Its totient is φ = 127378886401152.

The previous prime is 203010100203181. The next prime is 203010100203263. The reversal of 203010100203213 is 312302001010302.

203010100203213 is a `hidden beast` number, since 20 + 301 + 0 + 1 + 0 + 0 + 20 + 321 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 190675970251209 + 12334129952004 = 13808547^2 + 3511998^2 .

It is not a de Polignac number, because 203010100203213 - 2⁵ = 203010100203181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203010100203263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73714631958 + ... + 73714634711.

It is an arithmetic number, because the mean of its divisors is an integer number (16055047140363).

Almost surely, 2^{203010100203213} is an apocalyptic number.

It is an amenable number.

203010100203213 is a deficient number, since it is larger than the sum of its proper divisors (118090842604047).

203010100203213 is a wasteful number, since it uses less digits than its factorization.

203010100203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147429266698 (or 147429266689 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203010100203213 its reverse (312302001010302), we get a palindrome (515312101213515).

The spelling of 203010100203213 in words is "two hundred three trillion, ten billion, one hundred million, two hundred three thousand, two hundred thirteen".