133321233031321 has 8 divisors (see below), whose sum is σ = 134790331427840. Its totient is φ = 131856606777168.

The previous prime is 133321233031309. The next prime is 133321233031333. The reversal of 133321233031321 is 123130332123331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133321233031309) and next prime (133321233031333).

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 133321233031321 - 2⁷ = 133321233031193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133321233031391) 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, 1117975641 + ... + 1118094886.

It is an arithmetic number, because the mean of its divisors is an integer number (16848791428480).

Almost surely, 2^{133321233031321} is an apocalyptic number.

It is an amenable number.

133321233031321 is a deficient number, since it is larger than the sum of its proper divisors (1469098396519).

133321233031321 is a wasteful number, since it uses less digits than its factorization.

133321233031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236071183.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 133321233031321 its reverse (123130332123331), we get a palindrome (256451565154652).

The spelling of 133321233031321 in words is "one hundred thirty-three trillion, three hundred twenty-one billion, two hundred thirty-three million, thirty-one thousand, three hundred twenty-one".