203231111320 has 32 divisors (see below), whose sum is σ = 481336844400. Its totient is φ = 77013894528.

The previous prime is 203231111311. The next prime is 203231111333. The reversal of 203231111320 is 23111132302.

203231111320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133703919 + ... + 133705438.

Almost surely, 2^203231111320 is an apocalyptic number.

203231111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203231111320 is an abundant number, since it is smaller than the sum of its proper divisors (278105733080).

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

203231111320 is a wasteful number, since it uses less digits than its factorization.

203231111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267409387 (or 267409383 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203231111320 its reverse (23111132302), we get a palindrome (226342243622).

The spelling of 203231111320 in words is "two hundred three billion, two hundred thirty-one million, one hundred eleven thousand, three hundred twenty".