320133231001 has 4 divisors (see below), whose sum is σ = 320151226752. Its totient is φ = 320115235252.

The previous prime is 320133230981. The next prime is 320133231029. The reversal of 320133231001 is 100132331023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320133231001 - 2⁷ = 320133230873 is a prime.

It is a super-2 number, since 2×320133231001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320133231001.

It is not an unprimeable number, because it can be changed into a prime (320133231701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8971165 + ... + 9006778.

It is an arithmetic number, because the mean of its divisors is an integer number (80037806688).

Almost surely, 2^320133231001 is an apocalyptic number.

It is an amenable number.

320133231001 is a deficient number, since it is larger than the sum of its proper divisors (17995751).

320133231001 is a wasteful number, since it uses less digits than its factorization.

320133231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17995750.

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

Adding to 320133231001 its reverse (100132331023), we get a palindrome (420265562024).

The spelling of 320133231001 in words is "three hundred twenty billion, one hundred thirty-three million, two hundred thirty-one thousand, one".