2001313201312 has 12 divisors (see below), whose sum is σ = 3940085365146. Its totient is φ = 1000656600640.

The previous prime is 2001313201301. The next prime is 2001313201313. The reversal of 2001313201312 is 2131023131002.

It can be written as a sum of positive squares in only one way, i.e., 1142940599056 + 858372602256 = 1069084^2 + 926484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001313201312.

It is not an unprimeable number, because it can be changed into a prime (2001313201313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31270518739 + ... + 31270518802.

Almost surely, 2^{2001313201312} is an apocalyptic number.

It is an amenable number.

2001313201312 is a deficient number, since it is larger than the sum of its proper divisors (1938772163834).

2001313201312 is an equidigital number, since it uses as much as digits as its factorization.

2001313201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62541037551 (or 62541037543 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2001313201312 its reverse (2131023131002), we get a palindrome (4132336332314).

The spelling of 2001313201312 in words is "two trillion, one billion, three hundred thirteen million, two hundred one thousand, three hundred twelve".