203040244330 has 128 divisors (see below), whose sum is σ = 481981280256. Its totient is φ = 59704128000.

The previous prime is 203040244313. The next prime is 203040244333. The reversal of 203040244330 is 33442040302.

It is a junction number, because it is equal to n+sod(n) for n = 203040244295 and 203040244304.

It is not an unprimeable number, because it can be changed into a prime (203040244333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1214305 + ... + 1371355.

It is an arithmetic number, because the mean of its divisors is an integer number (3765478752).

Almost surely, 2^203040244330 is an apocalyptic number.

203040244330 is an abundant number, since it is smaller than the sum of its proper divisors (278941035926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203040244330 is a wasteful number, since it uses less digits than its factorization.

203040244330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157172.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 203040244330 its reverse (33442040302), we get a palindrome (236482284632).

The spelling of 203040244330 in words is "two hundred three billion, forty million, two hundred forty-four thousand, three hundred thirty".