20310003320312 has 16 divisors (see below), whose sum is σ = 38081646552600. Its totient is φ = 10154897572960.

The previous prime is 20310003320311. The next prime is 20310003320317. The reversal of 20310003320312 is 21302330001302.

It is a super-3 number, since 3×20310003320312³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310003320311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12178487 + ... + 13745382.

Almost surely, 2^{20310003320312} is an apocalyptic number.

It is an amenable number.

20310003320312 is a deficient number, since it is larger than the sum of its proper divisors (17771643232288).

20310003320312 is a wasteful number, since it uses less digits than its factorization.

20310003320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26021806 (or 26021802 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20310003320312 its reverse (21302330001302), we get a palindrome (41612333321614).

The spelling of 20310003320312 in words is "twenty trillion, three hundred ten billion, three million, three hundred twenty thousand, three hundred twelve".