203105401350 has 96 divisors (see below), whose sum is σ = 535661385120. Its totient is φ = 50752727040.

The previous prime is 203105401337. The next prime is 203105401379. The reversal of 203105401350 is 53104501302.

It is a self number, because there is not a number n which added to its sum of digits gives 203105401350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 410044 + ... + 757856.

It is an arithmetic number, because the mean of its divisors is an integer number (5579806095).

Almost surely, 2^203105401350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203105401350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267830692560).

203105401350 is an abundant number, since it is smaller than the sum of its proper divisors (332555983770).

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

203105401350 is a wasteful number, since it uses less digits than its factorization.

203105401350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348074 (or 348069 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 203105401350 its reverse (53104501302), we get a palindrome (256209902652).

The spelling of 203105401350 in words is "two hundred three billion, one hundred five million, four hundred one thousand, three hundred fifty".