320113325532000 has 1536 divisors, whose sum is σ = 1418788330831872. Its totient is φ = 60931353600000.

The previous prime is 320113325531999. The next prime is 320113325532041. The reversal of 320113325532000 is 235523311023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1573470285 + ... + 1573673715.

It is an arithmetic number, because the mean of its divisors is an integer number (923690319552).

Almost surely, 2^{320113325532000} is an apocalyptic number.

320113325532000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320113325532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709394165415936).

320113325532000 is an abundant number, since it is smaller than the sum of its proper divisors (1098675005299872).

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

320113325532000 is a wasteful number, since it uses less digits than its factorization.

320113325532000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203621 (or 203603 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 320113325532000 its reverse (235523311023), we get a palindrome (320348848843023).

The spelling of 320113325532000 in words is "three hundred twenty trillion, one hundred thirteen billion, three hundred twenty-five million, five hundred thirty-two thousand".