31010120320332 has 192 divisors, whose sum is σ = 76097930388480. Its totient is φ = 9809787187200.

The previous prime is 31010120320297. The next prime is 31010120320349. The reversal of 31010120320332 is 23302302101013.

It is a junction number, because it is equal to n+sod(n) for n = 31010120320299 and 31010120320308.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24057501544 + ... + 24057502832.

It is an arithmetic number, because the mean of its divisors is an integer number (396343387440).

Almost surely, 2^{31010120320332} 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 31010120320332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38048965194240).

31010120320332 is an abundant number, since it is smaller than the sum of its proper divisors (45087810068148).

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

31010120320332 is a wasteful number, since it uses less digits than its factorization.

31010120320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31010120320332 its reverse (23302302101013), we get a palindrome (54312422421345).

The spelling of 31010120320332 in words is "thirty-one trillion, ten billion, one hundred twenty million, three hundred twenty thousand, three hundred thirty-two".