203030100010 has 16 divisors (see below), whose sum is σ = 369072540072. Its totient is φ = 80407960000.

The previous prime is 203030099971. The next prime is 203030100011. The reversal of 203030100010 is 10001030302.

It can be written as a sum of positive squares in 4 ways, for example, as 172380244969 + 30649855041 = 415187^2 + 175071^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 203030100010.

It is not an unprimeable number, because it can be changed into a prime (203030100011) 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, 100508941 + ... + 100510960.

Almost surely, 2^203030100010 is an apocalyptic number.

203030100010 is a deficient number, since it is larger than the sum of its proper divisors (166042440062).

203030100010 is a wasteful number, since it uses less digits than its factorization.

203030100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201020009.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 203030100010 its reverse (10001030302), we get a palindrome (213031130312).

The spelling of 203030100010 in words is "two hundred three billion, thirty million, one hundred thousand, ten".