203042031 has 8 divisors (see below), whose sum is σ = 270900480. Its totient is φ = 135272472.

The previous prime is 203042003. The next prime is 203042053. The reversal of 203042031 is 130240302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203042031 - 2⁶ = 203041967 is a prime.

It is a super-2 number, since 2×203042031² = 82452132705209922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203042031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203042071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16695 + ... + 26168.

It is an arithmetic number, because the mean of its divisors is an integer number (33862560).

Almost surely, 2^203042031 is an apocalyptic number.

203042031 is a deficient number, since it is larger than the sum of its proper divisors (67858449).

203042031 is a wasteful number, since it uses less digits than its factorization.

203042031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44445.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 203042031 is about 14249.2817713736. The cubic root of 203042031 is about 587.7536249740.

Adding to 203042031 its reverse (130240302), we get a palindrome (333282333).

The spelling of 203042031 in words is "two hundred three million, forty-two thousand, thirty-one".