331321201232 has 320 divisors, whose sum is σ = 795484800000. Its totient is φ = 133429524480.

The previous prime is 331321201223. The next prime is 331321201241. The reversal of 331321201232 is 232102123133.

It is an interprime number because it is at equal distance from previous prime (331321201223) and next prime (331321201241).

It is a junction number, because it is equal to n+sod(n) for n = 331321201198 and 331321201207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1231677194 + ... + 1231677462.

It is an arithmetic number, because the mean of its divisors is an integer number (2485890000).

Almost surely, 2^331321201232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331321201232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397742400000).

331321201232 is an abundant number, since it is smaller than the sum of its proper divisors (464163598768).

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

331321201232 is a wasteful number, since it uses less digits than its factorization.

331321201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 331321201232 its reverse (232102123133), we get a palindrome (563423324365).

The spelling of 331321201232 in words is "three hundred thirty-one billion, three hundred twenty-one million, two hundred one thousand, two hundred thirty-two".