133232321000 has 32 divisors (see below), whose sum is σ = 311763633480. Its totient is φ = 53292928000.

The previous prime is 133232320997. The next prime is 133232321003. The reversal of 133232321000 is 123232331.

It is an interprime number because it is at equal distance from previous prime (133232320997) and next prime (133232321003).

It can be written as a sum of positive squares in 4 ways, for example, as 74996013316 + 58236307684 = 273854^2 + 241322^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (133232321003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66615161 + ... + 66617160.

Almost surely, 2^133232321000 is an apocalyptic number.

133232321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133232321000 is an abundant number, since it is smaller than the sum of its proper divisors (178531312480).

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

133232321000 is a wasteful number, since it uses less digits than its factorization.

133232321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133232342 (or 133232328 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133232321000 its reverse (123232331), we get a palindrome (133355553331).

The spelling of 133232321000 in words is "one hundred thirty-three billion, two hundred thirty-two million, three hundred twenty-one thousand".