20031013200312 has 144 divisors (see below), whose sum is σ = 60624252833040. Its totient is φ = 5953489860096.

The previous prime is 20031013200311. The next prime is 20031013200313. The reversal of 20031013200312 is 21300231013002.

20031013200312 is a `hidden beast` number, since 2 + 0 + 0 + 31 + 0 + 1 + 320 + 0 + 312 = 666.

It is an interprime number because it is at equal distance from previous prime (20031013200311) and next prime (20031013200313).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031013200311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22224628 + ... + 23108355.

It is an arithmetic number, because the mean of its divisors is an integer number (421001755785).

Almost surely, 2^{20031013200312} is an apocalyptic number.

It is an amenable number.

20031013200312 is an abundant number, since it is smaller than the sum of its proper divisors (40593239632728).

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

20031013200312 is a wasteful number, since it uses less digits than its factorization.

20031013200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45333050 (or 45333024 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20031013200312 its reverse (21300231013002), we get a palindrome (41331244213314).

The spelling of 20031013200312 in words is "twenty trillion, thirty-one billion, thirteen million, two hundred thousand, three hundred twelve".