133000310000 has 100 divisors (see below), whose sum is σ = 329861897904. Its totient is φ = 51902400000.

The previous prime is 133000309901. The next prime is 133000310021. The reversal of 133000310000 is 13000331.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×133000310000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 247805 + ... + 572195.

Almost surely, 2^133000310000 is an apocalyptic number.

133000310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133000310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164930948952).

133000310000 is an abundant number, since it is smaller than the sum of its proper divisors (196861587904).

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

133000310000 is an equidigital number, since it uses as much as digits as its factorization.

133000310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324460 (or 324439 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 11.

Adding to 133000310000 its reverse (13000331), we get a palindrome (133013310331).

The spelling of 133000310000 in words is "one hundred thirty-three billion, three hundred ten thousand".