133431203312 has 40 divisors (see below), whose sum is σ = 282205604352. Its totient is φ = 60611716800.

The previous prime is 133431203239. The next prime is 133431203357. The reversal of 133431203312 is 213302134331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33887 + ... + 517697.

Almost surely, 2^133431203312 is an apocalyptic number.

It is an amenable number.

133431203312 is an abundant number, since it is smaller than the sum of its proper divisors (148774401040).

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

133431203312 is a wasteful number, since it uses less digits than its factorization.

133431203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485397 (or 485391 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 133431203312 its reverse (213302134331), we get a palindrome (346733337643).

The spelling of 133431203312 in words is "one hundred thirty-three billion, four hundred thirty-one million, two hundred three thousand, three hundred twelve".