133103131312 has 20 divisors (see below), whose sum is σ = 258157952280. Its totient is φ = 66481724288.

The previous prime is 133103131309. The next prime is 133103131331. The reversal of 133103131312 is 213131301331.

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, 4349362 + ... + 4379857.

It is an arithmetic number, because the mean of its divisors is an integer number (12907897614).

Almost surely, 2^133103131312 is an apocalyptic number.

It is an amenable number.

133103131312 is a deficient number, since it is larger than the sum of its proper divisors (125054820968).

133103131312 is an equidigital number, since it uses as much as digits as its factorization.

133103131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730180 (or 8730174 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 133103131312 its reverse (213131301331), we get a palindrome (346234432643).

The spelling of 133103131312 in words is "one hundred thirty-three billion, one hundred three million, one hundred thirty-one thousand, three hundred twelve".