203313221330 has 8 divisors (see below), whose sum is σ = 365963798412. Its totient is φ = 81325288528.

The previous prime is 203313221329. The next prime is 203313221351. The reversal of 203313221330 is 33122313302.

It can be written as a sum of positive squares in 2 ways, for example, as 191412375049 + 11900846281 = 437507^2 + 109091^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 203313221296 and 203313221305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10165661057 + ... + 10165661076.

Almost surely, 2^203313221330 is an apocalyptic number.

203313221330 is a deficient number, since it is larger than the sum of its proper divisors (162650577082).

203313221330 is a wasteful number, since it uses less digits than its factorization.

203313221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20331322140.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 203313221330 its reverse (33122313302), we get a palindrome (236435534632).

The spelling of 203313221330 in words is "two hundred three billion, three hundred thirteen million, two hundred twenty-one thousand, three hundred thirty".