203312312100200 has 48 divisors (see below), whose sum is σ = 500507074207980. Its totient is φ = 76541105730560.

The previous prime is 203312312100151. The next prime is 203312312100229. The reversal of 203312312100200 is 2001213213302.

It can be written as a sum of positive squares in 6 ways, for example, as 107994620066116 + 95317692034084 = 10392046^2 + 9763078^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29898866027 + ... + 29898872826.

Almost surely, 2^{203312312100200} is an apocalyptic number.

203312312100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203312312100200 is an abundant number, since it is smaller than the sum of its proper divisors (297194762107780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203312312100200 is a wasteful number, since it uses less digits than its factorization.

203312312100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59797738886 (or 59797738877 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203312312100200 its reverse (2001213213302), we get a palindrome (205313525313502).

The spelling of 203312312100200 in words is "two hundred three trillion, three hundred twelve billion, three hundred twelve million, one hundred thousand, two hundred".