203101312210 has 16 divisors (see below), whose sum is σ = 368250848856. Its totient is φ = 80647527808.

The previous prime is 203101312201. The next prime is 203101312213. The reversal of 203101312210 is 12213101302.

It can be written as a sum of positive squares in 4 ways, for example, as 185262237241 + 17839074969 = 430421^2 + 133563^2 .

It is not an unprimeable number, because it can be changed into a prime (203101312213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74123197 + ... + 74125936.

Almost surely, 2^203101312210 is an apocalyptic number.

203101312210 is a deficient number, since it is larger than the sum of its proper divisors (165149536646).

203101312210 is a wasteful number, since it uses less digits than its factorization.

203101312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148249277.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 203101312210 its reverse (12213101302), we get a palindrome (215314413512).

The spelling of 203101312210 in words is "two hundred three billion, one hundred one million, three hundred twelve thousand, two hundred ten".