31013321230332 has 216 divisors, whose sum is σ = 95181852179232. Its totient is φ = 8473644748800.

The previous prime is 31013321230321. The next prime is 31013321230351. The reversal of 31013321230332 is 23303212331013.

31013321230332 is a `hidden beast` number, since 3 + 1 + 0 + 1 + 3 + 321 + 2 + 3 + 0 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31013321230296 and 31013321230305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 171975732 + ... + 172155972.

It is an arithmetic number, because the mean of its divisors is an integer number (440656723052).

Almost surely, 2^{31013321230332} 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 31013321230332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47590926089616).

31013321230332 is an abundant number, since it is smaller than the sum of its proper divisors (64168530948900).

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

31013321230332 is a wasteful number, since it uses less digits than its factorization.

31013321230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184529 (or 184517 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 31013321230332 its reverse (23303212331013), we get a palindrome (54316533561345).

The spelling of 31013321230332 in words is "thirty-one trillion, thirteen billion, three hundred twenty-one million, two hundred thirty thousand, three hundred thirty-two".