203042034 has 24 divisors (see below), whose sum is σ = 473765292. Its totient is φ = 62474400.

The previous prime is 203042003. The next prime is 203042053. The reversal of 203042034 is 430240302.

It can be written as a sum of positive squares in 2 ways, for example, as 202977009 + 65025 = 14247^2 + 255^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203041998 and 203042016.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 433617 + ... + 434084.

Almost surely, 2^203042034 is an apocalyptic number.

203042034 is an abundant number, since it is smaller than the sum of its proper divisors (270723258).

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

203042034 is a wasteful number, since it uses less digits than its factorization.

203042034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867722 (or 867719 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 203042034 is about 14249.2818766421. The cubic root of 203042034 is about 587.7536278687.

Adding to 203042034 its reverse (430240302), we get a palindrome (633282336).

The spelling of 203042034 in words is "two hundred three million, forty-two thousand, thirty-four".