203031310332 has 12 divisors (see below), whose sum is σ = 473739724136. Its totient is φ = 67677103440.

The previous prime is 203031310319. The next prime is 203031310367. The reversal of 203031310332 is 233013130302.

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

It is a junction number, because it is equal to n+sod(n) for n = 203031310299 and 203031310308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8459637919 + ... + 8459637942.

Almost surely, 2^203031310332 is an apocalyptic number.

It is an amenable number.

203031310332 is an abundant number, since it is smaller than the sum of its proper divisors (270708413804).

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

203031310332 is a wasteful number, since it uses less digits than its factorization.

203031310332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16919275868 (or 16919275866 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 203031310332 its reverse (233013130302), we get a palindrome (436044440634).

The spelling of 203031310332 in words is "two hundred three billion, thirty-one million, three hundred ten thousand, three hundred thirty-two".