203103342 has 64 divisors (see below), whose sum is σ = 488040000. Its totient is φ = 62239104.

The previous prime is 203103287. The next prime is 203103359. The reversal of 203103342 is 243301302.

203103342 is a `hidden beast` number, since 20 + 310 + 334 + 2 = 666.

203103342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244584 + ... + 245412.

It is an arithmetic number, because the mean of its divisors is an integer number (7625625).

Almost surely, 2^203103342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203103342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244020000).

203103342 is an abundant number, since it is smaller than the sum of its proper divisors (284936658).

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

203103342 is a wasteful number, since it uses less digits than its factorization.

203103342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 203103342 is about 14251.4329805813. The cubic root of 203103342 is about 587.8127787951.

Adding to 203103342 its reverse (243301302), we get a palindrome (446404644).

The spelling of 203103342 in words is "two hundred three million, one hundred three thousand, three hundred forty-two".