321320113200 has 90 divisors (see below), whose sum is σ = 1115070060884. Its totient is φ = 85685362560.

The previous prime is 321320113189. The next prime is 321320113207. The reversal of 321320113200 is 2311023123.

321320113200 is a `hidden beast` number, since 3 + 21 + 320 + 1 + 1 + 320 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (321320113207) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44624194 + ... + 44631393.

Almost surely, 2^321320113200 is an apocalyptic number.

321320113200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321320113200 is an abundant number, since it is smaller than the sum of its proper divisors (793749947684).

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

321320113200 is a wasteful number, since it uses less digits than its factorization.

321320113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89255611 (or 89255597 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 321320113200 its reverse (2311023123), we get a palindrome (323631136323).

The spelling of 321320113200 in words is "three hundred twenty-one billion, three hundred twenty million, one hundred thirteen thousand, two hundred".