20312311322312 has 32 divisors (see below), whose sum is σ = 38190597369600. Its totient is φ = 10128153821184.

The previous prime is 20312311322291. The next prime is 20312311322371. The reversal of 20312311322312 is 21322311321302.

20312311322312 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108300488 + ... + 108487880.

It is an arithmetic number, because the mean of its divisors is an integer number (1193456167800).

Almost surely, 2^{20312311322312} is an apocalyptic number.

It is an amenable number.

20312311322312 is a deficient number, since it is larger than the sum of its proper divisors (17878286047288).

20312311322312 is a wasteful number, since it uses less digits than its factorization.

20312311322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224685 (or 224681 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20312311322312 its reverse (21322311321302), we get a palindrome (41634622643614).

The spelling of 20312311322312 in words is "twenty trillion, three hundred twelve billion, three hundred eleven million, three hundred twenty-two thousand, three hundred twelve".