203231112132 has 24 divisors (see below), whose sum is σ = 475171738272. Its totient is φ = 67605731200.

The previous prime is 203231112103. The next prime is 203231112163. The reversal of 203231112132 is 231211132302.

It is a junction number, because it is equal to n+sod(n) for n = 203231112099 and 203231112108.

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, 17240469 + ... + 17252252.

It is an arithmetic number, because the mean of its divisors is an integer number (19798822428).

Almost surely, 2^203231112132 is an apocalyptic number.

It is an amenable number.

203231112132 is an abundant number, since it is smaller than the sum of its proper divisors (271940626140).

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

203231112132 is a wasteful number, since it uses less digits than its factorization.

203231112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34493219 (or 34493217 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 203231112132 its reverse (231211132302), we get a palindrome (434442244434).

The spelling of 203231112132 in words is "two hundred three billion, two hundred thirty-one million, one hundred twelve thousand, one hundred thirty-two".