133001320321 has 8 divisors (see below), whose sum is σ = 133645145984. Its totient is φ = 132357622320.

The previous prime is 133001320313. The next prime is 133001320337. The reversal of 133001320321 is 123023100331.

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

It is a cyclic number.

It is not a de Polignac number, because 133001320321 - 2³ = 133001320313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133001320351) 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, 2564776 + ... + 2616118.

It is an arithmetic number, because the mean of its divisors is an integer number (16705643248).

Almost surely, 2^133001320321 is an apocalyptic number.

It is an amenable number.

133001320321 is a deficient number, since it is larger than the sum of its proper divisors (643825663).

133001320321 is a wasteful number, since it uses less digits than its factorization.

133001320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63831.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133001320321 its reverse (123023100331), we get a palindrome (256024420652).

The spelling of 133001320321 in words is "one hundred thirty-three billion, one million, three hundred twenty thousand, three hundred twenty-one".