321313233000 has 384 divisors, whose sum is σ = 1053994032000. Its totient is φ = 81470976000.

The previous prime is 321313232917. The next prime is 321313233013. The reversal of 321313233000 is 332313123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 170096056 + ... + 170097944.

It is an arithmetic number, because the mean of its divisors is an integer number (2744776125).

Almost surely, 2^321313233000 is an apocalyptic number.

321313233000 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 321313233000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526997016000).

321313233000 is an abundant number, since it is smaller than the sum of its proper divisors (732680799000).

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

321313233000 is a wasteful number, since it uses less digits than its factorization.

321313233000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034 (or 1989 counting only the distinct ones).

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

Adding to 321313233000 its reverse (332313123), we get a palindrome (321645546123).

The spelling of 321313233000 in words is "three hundred twenty-one billion, three hundred thirteen million, two hundred thirty-three thousand".