320100230221133 has 8 divisors (see below), whose sum is σ = 320296663241016. Its totient is φ = 319903805894400.

The previous prime is 320100230221129. The next prime is 320100230221141. The reversal of 320100230221133 is 331122032001023.

It can be written as a sum of positive squares in 4 ways, for example, as 9452660932324 + 310647569288809 = 3074518^2 + 17625197^2 .

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 320100230221133 - 2² = 320100230221129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320100230221099 and 320100230221108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320100230421133) 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, 72275513 + ... + 76576433.

It is an arithmetic number, because the mean of its divisors is an integer number (40037082905127).

Almost surely, 2^{320100230221133} is an apocalyptic number.

It is an amenable number.

320100230221133 is a deficient number, since it is larger than the sum of its proper divisors (196433019883).

320100230221133 is a wasteful number, since it uses less digits than its factorization.

320100230221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346575.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 320100230221133 its reverse (331122032001023), we get a palindrome (651222262222156).

The spelling of 320100230221133 in words is "three hundred twenty trillion, one hundred billion, two hundred thirty million, two hundred twenty-one thousand, one hundred thirty-three".