203104242 has 96 divisors (see below), whose sum is σ = 498161664. Its totient is φ = 59270400.

The previous prime is 203104241. The next prime is 203104247. The reversal of 203104242 is 242401302.

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

It is not an unprimeable number, because it can be changed into a prime (203104241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1030888 + ... + 1031084.

It is an arithmetic number, because the mean of its divisors is an integer number (5189184).

Almost surely, 2^203104242 is an apocalyptic number.

203104242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 203104242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249080832).

203104242 is an abundant number, since it is smaller than the sum of its proper divisors (295057422).

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

203104242 is a wasteful number, since it uses less digits than its factorization.

203104242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 203104242 is about 14251.4645563184. The cubic root of 203104242 is about 587.8136470407.

Adding to 203104242 its reverse (242401302), we get a palindrome (445505544).

The spelling of 203104242 in words is "two hundred three million, one hundred four thousand, two hundred forty-two".