203431214 has 32 divisors (see below), whose sum is σ = 388696320. Its totient is φ = 77735808.

The previous prime is 203431211. The next prime is 203431253. The reversal of 203431214 is 412134302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203431211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17972 + ... + 27015.

It is an arithmetic number, because the mean of its divisors is an integer number (12146760).

Almost surely, 2^203431214 is an apocalyptic number.

203431214 is a deficient number, since it is larger than the sum of its proper divisors (185265106).

203431214 is a wasteful number, since it uses less digits than its factorization.

203431214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45032.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 203431214 is about 14262.9314658663. The cubic root of 203431214 is about 588.1289129941.

Adding to 203431214 its reverse (412134302), we get a palindrome (615565516).

The spelling of 203431214 in words is "two hundred three million, four hundred thirty-one thousand, two hundred fourteen".