320453221405134 has 32 divisors (see below), whose sum is σ = 643871116836864. Its totient is φ = 106323763033440.

The previous prime is 320453221405133. The next prime is 320453221405171. The reversal of 320453221405134 is 431504122354023.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320453221405092 and 320453221405101.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7355377 + ... + 26363004.

It is an arithmetic number, because the mean of its divisors is an integer number (20120972401152).

Almost surely, 2^{320453221405134} is an apocalyptic number.

320453221405134 is an abundant number, since it is smaller than the sum of its proper divisors (323417895431730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320453221405134 is a wasteful number, since it uses less digits than its factorization.

320453221405134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33725712.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 320453221405134 its reverse (431504122354023), we get a palindrome (751957343759157).

The spelling of 320453221405134 in words is "three hundred twenty trillion, four hundred fifty-three billion, two hundred twenty-one million, four hundred five thousand, one hundred thirty-four".