20110312310312 has 16 divisors (see below), whose sum is σ = 43093526379360. Its totient is φ = 8618705275824.

The previous prime is 20110312310303. The next prime is 20110312310351. The reversal of 20110312310312 is 21301321301102.

It is a happy number.

It is a super-2 number, since 2×20110312310312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179556359858 + ... + 179556359969.

It is an arithmetic number, because the mean of its divisors is an integer number (2693345398710).

Almost surely, 2^{20110312310312} is an apocalyptic number.

It is an amenable number.

20110312310312 is an abundant number, since it is smaller than the sum of its proper divisors (22983214069048).

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

20110312310312 is a wasteful number, since it uses less digits than its factorization.

20110312310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359112719840 (or 359112719836 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20110312310312 its reverse (21301321301102), we get a palindrome (41411633611414).

The spelling of 20110312310312 in words is "twenty trillion, one hundred ten billion, three hundred twelve million, three hundred ten thousand, three hundred twelve".