133031200312 has 16 divisors (see below), whose sum is σ = 249442773840. Its totient is φ = 66513127296.

The previous prime is 133031200231. The next prime is 133031200319. The reversal of 133031200312 is 213002130331.

It is a self number, because there is not a number n which added to its sum of digits gives 133031200312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133031200319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 69553 + ... + 520480.

It is an arithmetic number, because the mean of its divisors is an integer number (15590173365).

Almost surely, 2^133031200312 is an apocalyptic number.

It is an amenable number.

133031200312 is a deficient number, since it is larger than the sum of its proper divisors (116411573528).

133031200312 is a wasteful number, since it uses less digits than its factorization.

133031200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618222 (or 618218 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133031200312 its reverse (213002130331), we get a palindrome (346033330643).

The spelling of 133031200312 in words is "one hundred thirty-three billion, thirty-one million, two hundred thousand, three hundred twelve".