203130102 has 64 divisors (see below), whose sum is σ = 490682880. Its totient is φ = 54763776.

The previous prime is 203130101. The next prime is 203130107. The reversal of 203130102 is 201031302.

It is a happy number.

203130102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364408 + ... + 364964.

It is an arithmetic number, because the mean of its divisors is an integer number (7666920).

Almost surely, 2^203130102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203130102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245341440).

203130102 is an abundant number, since it is smaller than the sum of its proper divisors (287552778).

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

203130102 is a wasteful number, since it uses less digits than its factorization.

203130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 203130102 is about 14252.3718026159. The cubic root of 203130102 is about 587.8385935339.

Adding to 203130102 its reverse (201031302), we get a palindrome (404161404).

It can be divided in two parts, 203 and 130102, that added together give a triangular number (130305 = T₅₁₀).

The spelling of 203130102 in words is "two hundred three million, one hundred thirty thousand, one hundred two".