133333231032 has 112 divisors (see below), whose sum is σ = 382804100640. Its totient is φ = 43498695168.

The previous prime is 133333231021. The next prime is 133333231099. The reversal of 133333231032 is 230132333331.

133333231032 is a `hidden beast` number, since 1 + 3 + 333 + 323 + 1 + 0 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 133333230987 and 133333231005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 30888 + ... + 517320.

Almost surely, 2^133333231032 is an apocalyptic number.

133333231032 is a gapful number since it is divisible by the number (12) 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 133333231032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191402050320).

133333231032 is an abundant number, since it is smaller than the sum of its proper divisors (249470869608).

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

133333231032 is an equidigital number, since it uses as much as digits as its factorization.

133333231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486504 (or 486485 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 133333231032 its reverse (230132333331), we get a palindrome (363465564363).

The spelling of 133333231032 in words is "one hundred thirty-three billion, three hundred thirty-three million, two hundred thirty-one thousand, thirty-two".