203342134 has 12 divisors (see below), whose sum is σ = 324011484. Its totient is φ = 95690144.

The previous prime is 203342107. The next prime is 203342137. The reversal of 203342134 is 431243302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203342137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175324 + ... + 176479.

It is an arithmetic number, because the mean of its divisors is an integer number (27000957).

Almost surely, 2^203342134 is an apocalyptic number.

203342134 is a deficient number, since it is larger than the sum of its proper divisors (120669350).

203342134 is a wasteful number, since it uses less digits than its factorization.

203342134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351839 (or 351822 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 203342134 is about 14259.8083437331. The cubic root of 203342134 is about 588.0430556807.

Adding to 203342134 its reverse (431243302), we get a palindrome (634585436).

The spelling of 203342134 in words is "two hundred three million, three hundred forty-two thousand, one hundred thirty-four".