133321312330 has 8 divisors (see below), whose sum is σ = 239978362212. Its totient is φ = 53328524928.

The previous prime is 133321312309. The next prime is 133321312337. The reversal of 133321312330 is 33213123331.

It can be written as a sum of positive squares in 2 ways, for example, as 125088835041 + 8232477289 = 353679^2 + 90733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 133321312295 and 133321312304.

It is not an unprimeable number, because it can be changed into a prime (133321312337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6666065607 + ... + 6666065626.

Almost surely, 2^133321312330 is an apocalyptic number.

133321312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133321312330 is a deficient number, since it is larger than the sum of its proper divisors (106657049882).

133321312330 is a wasteful number, since it uses less digits than its factorization.

133321312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332131240.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133321312330 its reverse (33213123331), we get a palindrome (166534435661).

The spelling of 133321312330 in words is "one hundred thirty-three billion, three hundred twenty-one million, three hundred twelve thousand, three hundred thirty".