203030302231243 has 8 divisors (see below), whose sum is σ = 216614278449360. Its totient is φ = 189628661264640.

The previous prime is 203030302231241. The next prime is 203030302231249. The reversal of 203030302231243 is 342132203030302.

203030302231243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 203030302231243 - 2¹ = 203030302231241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203030302231241) 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, 45583810578 + ... + 45583815031.

It is an arithmetic number, because the mean of its divisors is an integer number (27076784806170).

Almost surely, 2^{203030302231243} is an apocalyptic number.

203030302231243 is a deficient number, since it is larger than the sum of its proper divisors (13583976218117).

203030302231243 is a wasteful number, since it uses less digits than its factorization.

203030302231243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91167625757.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 203030302231243 its reverse (342132203030302), we get a palindrome (545162505261545).

The spelling of 203030302231243 in words is "two hundred three trillion, thirty billion, three hundred two million, two hundred thirty-one thousand, two hundred forty-three".