203113303044 has 12 divisors (see below), whose sum is σ = 473931040464. Its totient is φ = 67704434344.

The previous prime is 203113303027. The next prime is 203113303049. The reversal of 203113303044 is 440303311302.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (203113303049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8463054282 + ... + 8463054305.

It is an arithmetic number, because the mean of its divisors is an integer number (39494253372).

Almost surely, 2^203113303044 is an apocalyptic number.

It is an amenable number.

203113303044 is an abundant number, since it is smaller than the sum of its proper divisors (270817737420).

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

203113303044 is a wasteful number, since it uses less digits than its factorization.

203113303044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16926108594 (or 16926108592 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 203113303044 its reverse (440303311302), we get a palindrome (643416614346).

The spelling of 203113303044 in words is "two hundred three billion, one hundred thirteen million, three hundred three thousand, forty-four".