203103240102 has 64 divisors (see below), whose sum is σ = 520550131200. Its totient is φ = 57497104800.

The previous prime is 203103240101. The next prime is 203103240107. The reversal of 203103240102 is 201042301302.

203103240102 is a `hidden beast` number, since 20 + 310 + 324 + 0 + 10 + 2 = 666.

203103240102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203103240102² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203103240101) 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, 2423524 + ... + 2505927.

It is an arithmetic number, because the mean of its divisors is an integer number (8133595800).

Almost surely, 2^203103240102 is an apocalyptic number.

203103240102 is an abundant number, since it is smaller than the sum of its proper divisors (317446891098).

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

203103240102 is a wasteful number, since it uses less digits than its factorization.

203103240102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929578 (or 4929572 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 203103240102 its reverse (201042301302), we get a palindrome (404145541404).

The spelling of 203103240102 in words is "two hundred three billion, one hundred three million, two hundred forty thousand, one hundred two".