203103111221330 has 8 divisors (see below), whose sum is σ = 365585600198412. Its totient is φ = 81241244488528.

The previous prime is 203103111221303. The next prime is 203103111221359. The reversal of 203103111221330 is 33122111301302.

It can be written as a sum of positive squares in 2 ways, for example, as 169115225633761 + 33987885587569 = 13004431^2 + 5829913^2 .

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 = 203103111221296 and 203103111221305.

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, 10155155561057 + ... + 10155155561076.

Almost surely, 2^{203103111221330} is an apocalyptic number.

203103111221330 is a deficient number, since it is larger than the sum of its proper divisors (162482488977082).

203103111221330 is a wasteful number, since it uses less digits than its factorization.

203103111221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20310311122140.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 203103111221330 its reverse (33122111301302), we get a palindrome (236225222522632).

The spelling of 203103111221330 in words is "two hundred three trillion, one hundred three billion, one hundred eleven million, two hundred twenty-one thousand, three hundred thirty".