203134231 has 4 divisors (see below), whose sum is σ = 205106512. Its totient is φ = 201161952.

The previous prime is 203134163. The next prime is 203134247. The reversal of 203134231 is 132431302.

203134231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203134231 - 2¹⁵ = 203101463 is a prime.

It is a super-2 number, since 2×203134231² = 82527031607922722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203134199 and 203134208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203134831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985986 + ... + 986191.

It is an arithmetic number, because the mean of its divisors is an integer number (51276628).

Almost surely, 2^203134231 is an apocalyptic number.

203134231 is a deficient number, since it is larger than the sum of its proper divisors (1972281).

203134231 is a wasteful number, since it uses less digits than its factorization.

203134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972280.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 203134231 is about 14252.5166549631. The cubic root of 203134231 is about 587.8425764806.

Adding to 203134231 its reverse (132431302), we get a palindrome (335565533).

The spelling of 203134231 in words is "two hundred three million, one hundred thirty-four thousand, two hundred thirty-one".