203031331312 has 10 divisors (see below), whose sum is σ = 393373204448. Its totient is φ = 101515665648.

The previous prime is 203031331231. The next prime is 203031331409. The reversal of 203031331312 is 213133130302.

It is a super-3 number, since 3×203031331312³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6344729088 + ... + 6344729119.

Almost surely, 2^203031331312 is an apocalyptic number.

It is an amenable number.

203031331312 is a deficient number, since it is larger than the sum of its proper divisors (190341873136).

203031331312 is a wasteful number, since it uses less digits than its factorization.

203031331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12689458215 (or 12689458209 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 203031331312 its reverse (213133130302), we get a palindrome (416164461614).

The spelling of 203031331312 in words is "two hundred three billion, thirty-one million, three hundred thirty-one thousand, three hundred twelve".