20331312010312 has 32 divisors (see below), whose sum is σ = 38162698885080. Its totient is φ = 10154593146880.

The previous prime is 20331312010189. The next prime is 20331312010313. The reversal of 20331312010312 is 21301021313302.

It can be written as a sum of positive squares in 4 ways, for example, as 13871408620356 + 6459903389956 = 3724434^2 + 2541634^2 .

It is not an unprimeable number, because it can be changed into a prime (20331312010313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351231612 + ... + 351289492.

Almost surely, 2^{20331312010312} is an apocalyptic number.

It is an amenable number.

20331312010312 is a deficient number, since it is larger than the sum of its proper divisors (17831386874768).

20331312010312 is a wasteful number, since it uses less digits than its factorization.

20331312010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104913 (or 104909 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20331312010312 its reverse (21301021313302), we get a palindrome (41632333323614).

The spelling of 20331312010312 in words is "twenty trillion, three hundred thirty-one billion, three hundred twelve million, ten thousand, three hundred twelve".