320313132300 has 216 divisors, whose sum is σ = 1078577591616. Its totient is φ = 73180813440.

The previous prime is 320313132299. The next prime is 320313132301. The reversal of 320313132300 is 3231313023.

It is an interprime number because it is at equal distance from previous prime (320313132299) and next prime (320313132301).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (320313132301) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47080699 + ... + 47087501.

It is an arithmetic number, because the mean of its divisors is an integer number (4993414776).

Almost surely, 2^320313132300 is an apocalyptic number.

320313132300 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 320313132300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539288795808).

320313132300 is an abundant number, since it is smaller than the sum of its proper divisors (758264459316).

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

320313132300 is a wasteful number, since it uses less digits than its factorization.

320313132300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037 (or 10023 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 320313132300 its reverse (3231313023), we get a palindrome (323544445323).

The spelling of 320313132300 in words is "three hundred twenty billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred".