133231133001000 has 128 divisors (see below), whose sum is σ = 421535799509760. Its totient is φ = 35027903456000.

The previous prime is 133231133000971. The next prime is 133231133001007. The reversal of 133231133001000 is 100331132331.

It is not an unprimeable number, because it can be changed into a prime (133231133001007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312536139 + ... + 312962138.

It is an arithmetic number, because the mean of its divisors is an integer number (3293248433670).

Almost surely, 2^{133231133001000} is an apocalyptic number.

133231133001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133231133001000 is an abundant number, since it is smaller than the sum of its proper divisors (288304666508760).

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

133231133001000 is a wasteful number, since it uses less digits than its factorization.

133231133001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625498372 (or 625498358 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133231133001000 its reverse (100331132331), we get a palindrome (133331464133331).

The spelling of 133231133001000 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, one hundred thirty-three million, one thousand".