320453221405132 has 24 divisors (see below), whose sum is σ = 567579343533552. Its totient is φ = 158287896465600.

The previous prime is 320453221405129. The next prime is 320453221405133. The reversal of 320453221405132 is 231504122354023.

It is a junction number, because it is equal to n+sod(n) for n = 320453221405091 and 320453221405100.

It is not an unprimeable number, because it can be changed into a prime (320453221405133) 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, 18858619 + ... + 31568242.

It is an arithmetic number, because the mean of its divisors is an integer number (23649139313898).

Almost surely, 2^{320453221405132} is an apocalyptic number.

It is an amenable number.

320453221405132 is a deficient number, since it is larger than the sum of its proper divisors (247126122128420).

320453221405132 is a wasteful number, since it uses less digits than its factorization.

320453221405132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50446089 (or 50446087 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 320453221405132 its reverse (231504122354023), we get a palindrome (551957343759155).

The spelling of 320453221405132 in words is "three hundred twenty trillion, four hundred fifty-three billion, two hundred twenty-one million, four hundred five thousand, one hundred thirty-two".