203324313 has 8 divisors (see below), whose sum is σ = 271168000. Its totient is φ = 135515088.

The previous prime is 203324311. The next prime is 203324323. The reversal of 203324313 is 313423302.

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

It is not a de Polignac number, because 203324313 - 2¹ = 203324311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203324313.

It is not an unprimeable number, because it can be changed into a prime (203324311) 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, 12663 + ... + 23811.

It is an arithmetic number, because the mean of its divisors is an integer number (33896000).

Almost surely, 2^203324313 is an apocalyptic number.

It is an amenable number.

203324313 is a deficient number, since it is larger than the sum of its proper divisors (67843687).

203324313 is a wasteful number, since it uses less digits than its factorization.

203324313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17231.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 203324313 is about 14259.1834618957. The cubic root of 203324313 is about 588.0258763891.

Adding to 203324313 its reverse (313423302), we get a palindrome (516747615).

The spelling of 203324313 in words is "two hundred three million, three hundred twenty-four thousand, three hundred thirteen".